4-Pentanolide; 4-Valerolactone; 5-methyldihydrofuran-2(3H)-one; 4-Hydroxypentanoic acid lactone; gamma-Pentalactone; 4-Hydroxyvaleric acid lactone; 2(3H)-Furanone, dihydro-5-methyl-; 5-methyloxolan-2-one; 4-Methyl-gamma-butyrolactone; 4-Methyl-4-hydroxybutanoic acid lactone; DIHYDRO-5-METHYL-2(3H)-FURANONE; .gamma.-Valerolactone; 5-Methyltetrahydro-2-furanone; NSC 33700; gamma-Methyl-gamma-butyrolactone; 2(3H)-Furanone, dihydr-5-methyl-; MFCD00005400; gamma-Pentanolactone; .gamma.-Pentalactone; Valeric acid, 4-hydroxy-, gamma-lactone; .gamma.-Methyl-.gamma.-butyrolactone; CHEMBL195593; 4-Methyl-.gamma.-butyrolactone; Dihydro-5-methylfuran-2(3H)-one; 4,5-Dihydro-5-methyl-2(3H)-furanone; gamma-Valerolactone, 98%; Pentanolide-1,4; gamma-Valeryllactone; gamma-Valerolakton; gamma-Valerolakton [Czech]; Gamma Valerolactone; FEMA No. 3103; CCRIS 3597; EINECS 203-569-5; BRN 0080420; 5-methyltetrahydrofuran-2-one; y-Valerolactone; Pentanoic acid, 4-hydroxy-, gamma-lactone; AI3-04327; 4-methylbutyrolactone; .gamma.-Valerolakton; .gamma.-Pentanolactone; 4-Methyl-g-butyrolactone; ACMC-2098zm; DSSTox_CID_27618; DSSTox_RID_82456; DSSTox_GSID_47618; SCHEMBL37255; Dihydro-5-methyl-2-furanone; 5-17-09-00024 (Beilstein Handbook Reference); KSC492E8F; 5-methyl-dihydro-furan-2-one; DTXSID0047618; CTK3J2282; Pentanoic acid, .gamma.-lactone; 5-Methyldihydro-2(3H)-furanone; (.+/-.)-4-Methylbutyrolactone; (.+/-.)-.gamma.-Valerolactone; KS-000001YX; NSC33700; (3-Amino-pyridin-2-yl)-aceticacid; 5-Methyldihydro-2(3H)-furanone #; dihydro-5-methyl-2(3H)-furanone,; Tox21_302624; ANW-15920; BBL011475; BDBM50168010; LMFA07040008; NSC-33700; STL146587; AKOS005206963; gamma-Valerolactone,delta-Valerolactone; DS-4944; MCULE-3014789527; NE10397; gamma-Valerolactone, analytical standard; gamma-Valerolactone, >=99%, FCC, FG; gamma-Valerolactone, natural, 95%, FG; NCGC00256671-01; 4-Hydroxypentanoic acid, .gamma.-lactone; AK117314; BP-31066; SC-19108; SY011304; DB-003681; gamma-Valerolactone, ReagentPlus(R), 99%; Valeric acid, 4-hydroxy-, .gamma.-lactone; FT-0605160; FT-0626628; AZ0001-0023; EN300-61318; Pentanoic acid, 4-hydroxy-, .gamma.-lactone; 148666-EP2289879A1; 148666-EP2374895A1; Q845530; 2(3H)-Furanone, dihydro-5-methyl-, (.+/-.)-; gamma-Valerolactone, Vetec(TM) reagent grade, 98%; J-002085; F0001-0163; Z1251171283