H-TRP-TRP-OH; l-tryptophyl-l-tryptophan; N-L-Tryptophyl-L-tryptophan; L-Tryptophan, N-L-tryptophyl-; CHEMBL286852; Tryptophyl-Tryptophan; L-Tryptophan, L-tryptophyl-; L-Trp-L-Trp; tryptophanyl-tryptophan; L-Trp-L-Trp-OH; H-L-Trp-L-Trp-OH; L-Tryptophanyl-L-tryptophan; SCHEMBL5583839; CTK1A3898; ZINC1557161; BDBM50188479; MFCD00037959; Q27144986; 2-[2-Amino-3-(1H-indol-3-yl)-propionylamino]-3-(1H-indol-3-yl)-propionic acid