(+)-Hypaphorine487-58-1100 % similar Indole-3-lactic acid1821-52-948 % similar N-Methyl-L-tryptophan526-31-847 % similar D-Tryptophan153-94-647 % similar (±)-Tryptophan54-12-647 % similar 3-Indolylacetic acid potassium salt2338-19-447 % similar Indole-3-acetone1201-26-947 % similar (±)-α-Methyltryptamine299-26-347 % similar Acetyl-L-tryptophan1218-34-445 % similar (R)-Tryptophan methyl ester monohydrochloride14907-27-845 % similar N-Acetyl-D-tryptophan2280-01-545 % similar DL-Methyl tryptophanate monohydrochloride5619-09-045 % similar Tryptophan methyl ester hydrochloride7524-52-945 % similar N-Acetyl-dl-tryptophan87-32-145 % similar β-Indolylacetic acid methyl ester1912-33-044 % similar Indole-3-acetic acid87-51-444 % similar Indole-3-acetaldehyde2591-98-243 % similar (S)-Tryptophan ethyl ester hydrochloride2899-28-743 % similar 3,3'-Diindolylmethane1968-05-443 % similar 1H-Indole-3-propanoic acid830-96-643 % similar