TTD_Target_ID Target_Name TTD_Drug_ID Drug_Name Drug_Highest_Status Drug_PubchemID Molecular_Formula Molecular_Weight Canonical_SMILES Activity Binder_Type T68290 Cathepsin S D0V3YT BOCEPREVIR Approved 10324367 C27H45N5O5 519.7 CC1([C@@H]2[C@H]1[C@H](N(C2)C(=O)[C@H](C(C)(C)C)NC(=O)NC(C)(C)C)C(=O)NC(CC3CCC3)C(=O)C(=O)N)C IC50 ~ 100000 nM Poor binder T68290 Cathepsin S D0X9CH Telaprevir Approved 3010818 C36H53N7O6 679.8 CCC[C@@H](C(=O)C(=O)NC1CC1)NC(=O)[C@@H]2[C@H]3CCC[C@H]3CN2C(=O)[C@H](C(C)(C)C)NC(=O)[C@H](C4CCCCC4)NC(=O)C5=NC=CN=C5 IC50 ~ 100000 nM Poor binder T68290 Cathepsin S D01LNG Balicatib Discontinued in Phase 2 10201696 C23H33N5O2 411.5 CCCN1CCN(CC1)C2=CC=C(C=C2)C(=O)NC3(CCCCC3)C(=O)NCC#N Ki = 65000 nM Poor binder T68290 Cathepsin S B0AL7B (2S)-N-[(2S)-1-Amino-1-oxo-3-phenylpropan-2-yl]-4-methyl-2-[[(1S)-2,2,2-trifluoro-1-[4-(4-methylsulfonylphenyl)phenyl]ethyl]amino]pentanamide Investigative 16661682 C30H34F3N3O4S 589.7 CC(C)C[C@@H](C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)N)N[C@@H](C2=CC=C(C=C2)C3=CC=C(C=C3)S(=O)(=O)C)C(F)(F)F IC50 = 66656 nM Poor binder T68290 Cathepsin S B0C5ED Benzyl N-[(2S)-1-[[(2S)-1,6-diamino-1-oxohexan-2-yl]amino]-1-oxo-3-phenylpropan-2-yl]carbamate Investigative 73348851 C23H30N4O4 426.5 C1=CC=C(C=C1)C[C@@H](C(=O)N[C@@H](CCCCN)C(=O)N)NC(=O)OCC2=CC=CC=C2 Ki = 56000 nM Poor binder T68290 Cathepsin S B0LA8M (2S)-2-[[2-(3,5-Dichlorophenyl)acetyl]amino]-3,3-dimethyl-N-[2-[[(E)-3-methylsulfonylprop-2-enyl]amino]-2-oxoethyl]butanamide Investigative 118720237 C20H27Cl2N3O5S 492.4 CC(C)(C)[C@@H](C(=O)NCC(=O)NC/C=C/S(=O)(=O)C)NC(=O)CC1=CC(=CC(=C1)Cl)Cl IC50 ~ 100000 nM Poor binder T68290 Cathepsin S B0QM8N (2S)-N-[(1S)-3-Amino-1-cyano-3-oxopropyl]-1-[4-(4-tert-butylphenyl)phenyl]sulfonylpyrrolidine-2-carboxamide Investigative 127037715 C25H30N4O4S 482.6 CC(C)(C)C1=CC=C(C=C1)C2=CC=C(C=C2)S(=O)(=O)N3CCC[C@H]3C(=O)N[C@@H](CC(=O)N)C#N IC50 ~ 50000 nM Poor binder T68290 Cathepsin S B0RVC8 (1R,2R)-N-[(1R)-1-Cyanoethyl]-2-(8-fluoro-1,3,4,5-tetrahydropyrido[4,3-b]indole-2-carbonyl)cyclohexane-1-carboxamide Investigative 60195904 C22H25FN4O2 396.5 C[C@H](C#N)NC(=O)[C@@H]1CCCC[C@H]1C(=O)N2CCC3=C(C2)C4=C(N3)C=CC(=C4)F IC50 ~ 100000 nM Poor binder T68290 Cathepsin S B1JTN5 (1R,2R)-N-[(1S)-1-Cyanoethyl]-2-(8-fluoro-1,3,4,5-tetrahydropyrido[4,3-b]indole-2-carbonyl)cyclohexane-1-carboxamide Investigative 60195905 C22H25FN4O2 396.5 C[C@@H](C#N)NC(=O)[C@@H]1CCCC[C@H]1C(=O)N2CCC3=C(C2)C4=C(N3)C=CC(=C4)F IC50 ~ 70000 nM Poor binder T68290 Cathepsin S B1KJN5 (1r)-1-{[5-(4-Fluorophenyl)-1,3,4-oxadiazol-2-yl]methyl}-2,2-dimethylpropyl(1S)-1-[oxo(1h-pyrazol-5-ylamino)acetyl]pentylcarbamate Investigative 10186046 C25H31FN6O5 514.5 CCCC[C@@H](C(=O)C(=O)NC1=CC=NN1)NC(=O)O[C@H](CC2=NN=C(O2)C3=CC=C(C=C3)F)C(C)(C)C IC50 = 110000 nM Poor binder T68290 Cathepsin S B1P9BU N-[1-(Cyanomethylcarbamoyl)cyclohexyl]-4-(4-methylpiperazine-1-carbonyl)benzamide Investigative 11517167 C22H29N5O3 411.5 CN1CCN(CC1)C(=O)C2=CC=C(C=C2)C(=O)NC3(CCCCC3)C(=O)NCC#N Ki = 110000 nM Poor binder T68290 Cathepsin S B20ZUP 5-((2,3-Dimethylphenoxy)methyl)-3-methyloxazolidin-2-one Investigative 44426056 C13H17NO3 235.28 CC1=C(C(=CC=C1)OCC2CN(C(=O)O2)C)C IC50 ~ 100000 nM Poor binder T68290 Cathepsin S B2GLO1 2-[(2S)-2-[[(2S)-2-Cyclohexyl-2-(pyrazine-2-carbonylamino)acetyl]amino]-3,3-dimethylbutanoyl]-N-[1-(cyclopropylamino)-1,2-dioxohexan-3-yl]-2-azaspiro[3.5]nonane-3-carboxamide Investigative 73348056 C37H55N7O6 693.9 CCCC(C(=O)C(=O)NC1CC1)NC(=O)C2C3(CCCCC3)CN2C(=O)[C@H](C(C)(C)C)NC(=O)[C@H](C4CCCCC4)NC(=O)C5=NC=CN=C5 IC50 ~ 100000 nM Poor binder T68290 Cathepsin S B2VAN9 (3R,4R)-4-(2,3-Dimethylphenoxy)piperidin-3-ol Investigative 13186896 C13H19NO2 221.29 CC1=C(C(=CC=C1)O[C@@H]2CCNC[C@H]2O)C IC50 ~ 100000 nM Poor binder T68290 Cathepsin S B4VL8N 3-[2-(3,5-Dichlorophenyl)-2-methylpropanoyl]-4-methoxy-N-[2-[[(E)-3-methylsulfonylprop-2-enyl]amino]-2-oxoethyl]benzamide Investigative 118720236 C24H26Cl2N2O6S 541.4 CC(C)(C1=CC(=CC(=C1)Cl)Cl)C(=O)C2=C(C=CC(=C2)C(=O)NCC(=O)NC/C=C/S(=O)(=O)C)OC IC50 ~ 100000 nM Poor binder T68290 Cathepsin S B5I6RB (2R)-2-Amino-N-[(1S,2S)-1-cyano-2-phenylcyclopropyl]-3-thiophen-2-ylpropanamide;2,2,2-trifluoroacetic acid Investigative 49797572 C19H18F3N3O3S 425.4 C1[C@H]([C@@]1(C#N)NC(=O)[C@@H](CC2=CC=CS2)N)C3=CC=CC=C3.C(=O)(C(F)(F)F)O IC50 ~ 50000 nM Poor binder T68290 Cathepsin S B5T0WC N-[2-(Cyanomethylamino)-2-oxoethyl]-3-[2-(3,5-dichlorophenyl)-2-methylpropanoyl]-4-[2-(dimethylamino)ethoxy]benzamide Investigative 118720233 C25H28Cl2N4O4 519.4 CC(C)(C1=CC(=CC(=C1)Cl)Cl)C(=O)C2=C(C=CC(=C2)C(=O)NCC(=O)NCC#N)OCCN(C)C IC50 ~ 100000 nM Poor binder T68290 Cathepsin S B69UDS Tert-butyl (2S)-2-[(cyanomethyl)carbamoyl]pyrrolidine-1-carboxylate Investigative 11514361 C12H19N3O3 253.3 CC(C)(C)OC(=O)N1CCC[C@H]1C(=O)NCC#N Ki ~ 100000 nM Poor binder T68290 Cathepsin S B6K3XT N-[(2S)-1-[[(1S)-1-Cyano-3-phenylpropyl]amino]-2,4-dimethyl-1-oxopentan-2-yl]morpholine-4-carboxamide Investigative 11732127 C22H32N4O3 400.5 CC(C)C[C@@](C)(C(=O)N[C@@H](CCC1=CC=CC=C1)C#N)NC(=O)N2CCOCC2 IC50 = 76000 nM Poor binder T68290 Cathepsin S B6K9SO Ac-hPhe-Leu-(D)-Ala-LeuVSMe Investigative 11613973 C29H46N4O6S 578.8 C[C@H](C(=O)N[C@@H](CC(C)C)/C=C/S(=O)(=O)C)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CCC1=CC=CC=C1)NC(=O)C IC50 = 77000 nM Poor binder T68290 Cathepsin S B6M4IT (2E)-2-[(E)-1-Phenoxypropan-2-ylidenehydrazinylidene]-3-phenyl-1,3-thiazolidin-4-one Investigative 71452029 C18H17N3O2S 339.4 C/C(=N\\N=C\\1/N(C(=O)CS1)C2=CC=CC=C2)/COC3=CC=CC=C3 IC50 ~ 100000 nM Poor binder T68290 Cathepsin S B6Y8LN (S)-Tert-Butyl (1-oxo-3-phenyl-1-(prop-2-yn-1-ylamino)propan-2-yl)carbamate Investigative 11673861 C17H22N2O3 302.37 CC(C)(C)OC(=O)N[C@@H](CC1=CC=CC=C1)C(=O)NCC#C Ki ~ 100000 nM Poor binder T68290 Cathepsin S B81UVG Succinamide peptidomimetic, 7 Investigative 23648362 C23H34FN3O3 419.5 C1CCC(CC1)C[C@@H](CC(=O)NCCNC2=CC=C(C=C2)F)C(=O)N3CCOCC3 Ki ~ 100000 nM Poor binder T68290 Cathepsin S B8CV9U Dipeptide-derived nitrile, 40 Investigative 11603305 C22H25N3O3 379.5 CC(C)(C)OC(=O)N[C@@H](CC1=CC=CC=C1C2=CC=CC=C2)C(=O)NCC#N Ki ~ 100000 nM Poor binder T68290 Cathepsin S B9OH0B Phenylalanine derivative, 37 Investigative 11616689 C17H23N3O3 317.4 CC(C)(C)OC(=O)N[C@@H](CC1=CC=CC=C1)C(=O)N(C)CC#N Ki ~ 100000 nM Poor binder T68290 Cathepsin S BAE10O (2S)-2-(3,5-Dichlorophenyl)-N-[(3S)-1-[2-[[(E)-3-methylsulfonylprop-2-enyl]amino]-2-oxoethyl]-2-oxopyrrolidin-3-yl]butanamide Investigative 118720239 C20H25Cl2N3O5S 490.4 CC[C@@H](C1=CC(=CC(=C1)Cl)Cl)C(=O)N[C@H]2CCN(C2=O)CC(=O)NC/C=C/S(=O)(=O)C IC50 ~ 100000 nM Poor binder T68290 Cathepsin S BB24YL Phenylalanine derived allylamide, 55 Investigative 14308232 C17H24N2O3 304.4 CC(C)(C)OC(=O)N[C@@H](CC1=CC=CC=C1)C(=O)NCC=C Ki ~ 100000 nM Poor binder T68290 Cathepsin S BC2HK1 Tert-butyl N-[(2S)-1-oxo-1-(5-propan-2-yl-1,3,4-oxadiazol-2-yl)pentan-2-yl]carbamate Investigative 44412340 C15H25N3O4 311.38 CCC[C@@H](C(=O)C1=NN=C(O1)C(C)C)NC(=O)OC(C)(C)C Ki = 130000 nM Poor binder T68290 Cathepsin S BDC9Z8 2-((2S,3S)-2-Acetoxy-4-oxo-azetidin-3-ylcarbamoyl)-pyrrolidine-1-carboxylic acid benzyl ester Investigative 44304591 C18H21N3O6 375.4 CC(=O)O[C@H]1[C@@H](C(=O)N1)NC(=O)C2CCCN2C(=O)OCC3=CC=CC=C3 Ki ~ 150000 nM Poor binder T68290 Cathepsin S BE0MT1 (1R,2R)-N-[(1S)-1-Cyano-2,2-dimethylpropyl]-2-(8-fluoro-1,3,4,5-tetrahydropyrido[4,3-b]indole-2-carbonyl)cyclohexane-1-carboxamide Investigative 60195906 C25H31FN4O2 438.5 CC(C)(C)[C@@H](C#N)NC(=O)[C@@H]1CCCC[C@H]1C(=O)N2CCC3=C(C2)C4=C(N3)C=CC(=C4)F IC50 ~ 100000 nM Poor binder T68290 Cathepsin S BE6I2L Benzyl 1-((cyanomethyl)carbamoyl)cyclopropylcarbamate Investigative 11680631 C14H15N3O3 273.29 C1CC1(C(=O)NCC#N)NC(=O)OCC2=CC=CC=C2 Ki ~ 150000 nM Poor binder T68290 Cathepsin S BER0H1 (1R,2R)-N-(1-Cyanocyclopropyl)-2-[4-(6-methylsulfonyl-1,3-benzothiazol-2-yl)piperazine-1-carbonyl]cyclohexane-1-carboxamide Investigative 70276990 C24H29N5O4S2 515.7 CS(=O)(=O)C1=CC2=C(C=C1)N=C(S2)N3CCN(CC3)C(=O)[C@@H]4CCCC[C@H]4C(=O)NC5(CC5)C#N IC50 ~ 100000 nM Poor binder T68290 Cathepsin S BF9C4I (3S,4R)-4-(2,3-Dimethylphenoxy)piperidin-3-ol Investigative 6917747 C13H19NO2 221.29 CC1=C(C(=CC=C1)O[C@@H]2CCNC[C@@H]2O)C IC50 ~ 100000 nM Poor binder T68290 Cathepsin S BFXT28 N-[2-(Cyanomethylamino)-2-oxoethyl]-3-[2-(3,5-dichlorophenyl)-2-methylpropanoyl]-4-methoxybenzamide Investigative 118720232 C22H21Cl2N3O4 462.3 CC(C)(C1=CC(=CC(=C1)Cl)Cl)C(=O)C2=C(C=CC(=C2)C(=O)NCC(=O)NCC#N)OC IC50 ~ 100000 nM Poor binder T68290 Cathepsin S BG3O2I N-[1-(Cyanomethylcarbamoyl)cyclohexyl]-4-(2-piperidin-4-yloxy-1,3-thiazol-4-yl)benzamide Investigative 11605163 C24H29N5O3S 467.6 C1CCC(CC1)(C(=O)NCC#N)NC(=O)C2=CC=C(C=C2)C3=CSC(=N3)OC4CCNCC4 Ki = 68000 nM Poor binder T68290 Cathepsin S BG9A4X Benzyl N-[(2S)-1-(cyanomethylamino)-3,3-dimethyl-1-oxobutan-2-yl]carbamate Investigative 11695166 C16H21N3O3 303.36 CC(C)(C)[C@@H](C(=O)NCC#N)NC(=O)OCC1=CC=CC=C1 Ki ~ 150000 nM Poor binder T68290 Cathepsin S BIR0W4 (2E)-2-[(E)-1-Phenoxypropan-2-ylidenehydrazinylidene]-3-phenyl-5-propan-2-yl-1,3-thiazolidin-4-one Investigative 71455561 C21H23N3O2S 381.5 CC(C)C1C(=O)N(/C(=N\\N=C(/C)\\COC2=CC=CC=C2)/S1)C3=CC=CC=C3 IC50 ~ 100000 nM Poor binder T68290 Cathepsin S BJ4IA0 Succinamide peptidomimetic, 5 Investigative 23648361 C23H34FN3O3 419.5 C1CCC(CC1)C[C@@H](CC(=O)N2CCOCC2)C(=O)NCCNC3=CC=C(C=C3)F Ki ~ 100000 nM Poor binder T68290 Cathepsin S BLF0C6 N-[1-(Cyanomethylcarbamoyl)cyclohexyl]-4-(4-methylpiperazin-1-yl)sulfonylbenzamide Investigative 11561418 C21H29N5O4S 447.6 CN1CCN(CC1)S(=O)(=O)C2=CC=C(C=C2)C(=O)NC3(CCCCC3)C(=O)NCC#N Ki = 102000 nM Poor binder T68290 Cathepsin S BM78SE Benzyl 1-((cyanomethyl)carbamoyl)cyclopentylcarbamate Investigative 11507712 C16H19N3O3 301.34 C1CCC(C1)(C(=O)NCC#N)NC(=O)OCC2=CC=CC=C2 Ki ~ 150000 nM Poor binder T68290 Cathepsin S BMB1L4 (2S)-N-[(2S)-1-Amino-4-methylsulfanyl-1-oxobutan-2-yl]-4-methyl-2-[[(1S)-2,2,2-trifluoro-1-[4-(4-methylsulfonylphenyl)phenyl]ethyl]amino]pentanamide Investigative 16661526 C26H34F3N3O4S2 573.7 CC(C)C[C@@H](C(=O)N[C@@H](CCSC)C(=O)N)N[C@@H](C1=CC=C(C=C1)C2=CC=C(C=C2)S(=O)(=O)C)C(F)(F)F IC50 = 76938 nM Poor binder T68290 Cathepsin S BNET60 Succinamide peptidomimetic, 38 Investigative 23648368 C27H31F6N3O4 575.5 CC(C)[C@@H](CNC1=CC=C(C=C1)OC(F)(F)F)NC(=O)[C@@H](CC(=O)N2CCOCC2)C3=CC=CC=C3C(F)(F)F Ki ~ 100000 nM Poor binder T68290 Cathepsin S BO2L1V N-[(2S)-1-[[(1S)-1-Cyano-2,2-dimethylpropyl]amino]-4-methyl-1-oxopentan-2-yl]morpholine-4-carboxamide Investigative 10860703 C17H30N4O3 338.4 CC(C)C[C@@H](C(=O)N[C@H](C#N)C(C)(C)C)NC(=O)N1CCOCC1 IC50 = 107000 nM Poor binder T68290 Cathepsin S BOCP70 (2S)-2-[[(2S)-2-(3,5-Dichlorophenyl)-2-(ethylamino)acetyl]amino]-3,3-dimethyl-N-[2-[[(E)-3-methylsulfonylprop-2-enyl]amino]-2-oxoethyl]butanamide Investigative 118720238 C22H32Cl2N4O5S 535.5 CCN[C@@H](C1=CC(=CC(=C1)Cl)Cl)C(=O)N[C@H](C(=O)NCC(=O)NC/C=C/S(=O)(=O)C)C(C)(C)C IC50 ~ 100000 nM Poor binder T68290 Cathepsin S BOZ8N7 (2E)-5-Ethyl-2-[(E)-1-phenoxypropan-2-ylidenehydrazinylidene]-3-phenyl-1,3-thiazolidin-4-one Investigative 71452030 C20H21N3O2S 367.5 CCC1C(=O)N(/C(=N\\N=C(/C)\\COC2=CC=CC=C2)/S1)C3=CC=CC=C3 IC50 ~ 100000 nM Poor binder T68290 Cathepsin S BP1FH9 [1-((3S,4R)-2-Oxo-4-phenoxy-azetidin-3-ylcarbamoyl)-cyclohexyl]-carbamic acid benzyl ester Investigative 44304861 C24H27N3O5 437.5 C1CCC(CC1)(C(=O)N[C@H]2[C@H](NC2=O)OC3=CC=CC=C3)NC(=O)OCC4=CC=CC=C4 Ki = 53000 nM Poor binder T68290 Cathepsin S BP36GN Arylaminoethyl amide, 5q Investigative 23648327 C23H26N4O3S 438.5 CC1=CC(=CC=C1)C(=O)N[C@@H](CC2=CN=CS2)C(=O)NCCNC3=CC=C(C=C3)OC Ki ~ 65000 nM Poor binder T68290 Cathepsin S BT5V2L Phenylalanine derivative, 48 Investigative 11652420 C15H20N4O3 304.34 CC(C)(C)OC(=O)NN(CC1=CC=CC=C1)C(=O)NCC#N Ki ~ 50000 nM Poor binder T68290 Cathepsin S BTV6Z2 Morpholine-4-carboxylic acid [1-(1-cyano-3-phenyl-propylcarbamoyl)-ethyl]-amide Investigative 11013354 C18H24N4O3 344.4 C[C@@H](C(=O)N[C@@H](CCC1=CC=CC=C1)C#N)NC(=O)N2CCOCC2 IC50 = 134000 nM Poor binder T68290 Cathepsin S BU56EW Ac-Glu(OtBu)-Ala-LeuVSMe Investigative 11583999 C22H39N3O7S 489.6 C[C@@H](C(=O)N[C@@H](CC(C)C)/C=C/S(=O)(=O)C)NC(=O)[C@H](CCC(=O)OC(C)(C)C)NC(=O)C IC50 = 170000 nM Poor binder T68290 Cathepsin S BUG9I7 Aryl-morpholino-containing analogue, 13 Investigative 11501571 C20H26N4O3 370.4 C1CCC(CC1)(C(=O)NCC#N)NC(=O)C2=CC=C(C=C2)N3CCOCC3 IC50 = 52000 nM Poor binder T68290 Cathepsin S BV5MK3 (2S)-N-[(1S)-3-Amino-1-cyano-3-oxopropyl]-1-(4-phenylphenyl)sulfonylpyrrolidine-2-carboxamide Investigative 127042341 C21H22N4O4S 426.5 C1C[C@H](N(C1)S(=O)(=O)C2=CC=C(C=C2)C3=CC=CC=C3)C(=O)N[C@@H](CC(=O)N)C#N IC50 ~ 50000 nM Poor binder T68290 Cathepsin S BVP1Q6 (3S)-1-Diazo-3-[(aminoacetyl)amino]-4-(4-iodophenyl)-2-butanone Investigative 102323332 C12H13IN4O2 372.16 C1=CC(=CC=C1C[C@@H](C(=O)C=[N+]=[N-])NC(=O)CN)I IC50 ~ 50000 nM Poor binder T68290 Cathepsin S BVR6L2 Ptosyl-NeopentylAsn-Ser-LeuVSMe Investigative 11599767 C27H44N4O8S2 616.8 CC1=CC=C(C=C1)S(=O)(=O)N[C@@H](CC(=O)NCC(C)(C)C)C(=O)N[C@@H](CO)C(=O)N[C@@H](CC(C)C)/C=C/S(=O)(=O)C IC50 ~ 150000 nM Poor binder T68290 Cathepsin S BW4DQ9 (2S)-N-[(1S)-3-Amino-1-cyano-3-oxopropyl]-1-[4-(4-methoxyphenyl)phenyl]sulfonylpyrrolidine-2-carboxamide Investigative 127042051 C22H24N4O5S 456.5 COC1=CC=C(C=C1)C2=CC=C(C=C2)S(=O)(=O)N3CCC[C@H]3C(=O)N[C@@H](CC(=O)N)C#N IC50 ~ 50000 nM Poor binder T68290 Cathepsin S BY0MR7 Morpholine-4-carboxylic acid (3-methyl-1-prop-2-ynylcarbamoyl-butyl)-amide Investigative 10858935 C14H23N3O3 281.35 CC(C)C[C@@H](C(=O)NCC#C)NC(=O)N1CCOCC1 IC50 = 97000 nM Poor binder T68290 Cathepsin S BZ24RN (1R,21S,24S)-21-Tert-butyl-N-[(1R,2S)-1-(cyclopropylsulfonylcarbamoyl)-2-ethenylcyclopropyl]-16,16-dimethyl-3,19,22-trioxo-2,18-dioxa-4,20,23-triazatetracyclo[21.2.1.14,7.06,11]heptacosa-6(11),7,9-triene-24-carboxamide Investigative 46228924 C38H53N5O9S 755.9 CC1(CCCCC2=C3CN(CC3=CC=C2)C(=O)O[C@@H]4C[C@H](N(C4)C(=O)[C@@H](NC(=O)OC1)C(C)(C)C)C(=O)N[C@@]5(C[C@H]5C=C)C(=O)NS(=O)(=O)C6CC6)C IC50 = 78000 nM Poor binder T68290 Cathepsin S D0A5WN PTosyl-Glu(OtBu)-Ala-LeuVSMe Investigative 11621347 C27H43N3O8S2 601.8 CC1=CC=C(C=C1)S(=O)(=O)N[C@@H](CCC(=O)OC(C)(C)C)C(=O)N[C@@H](C)C(=O)N[C@@H](CC(C)C)/C=C/S(=O)(=O)C IC50 = 67000 nM Poor binder