L-Tryptophyl-L-proline38136-75-3100 % similar D-Tryptophan153-94-667 % similar (±)-Tryptophan54-12-667 % similar Indole-3-lactic acid1821-52-953 % similar Thymogen38101-59-651 % similar L-Tryptophanylglycine7360-09-050 % similar (±)-5-Hydroxytryptophan114-03-449 % similar 5-Hydroxytryptophan4350-09-849 % similar L-Tryptophanamide hydrochloride5022-65-149 % similar N-Methyl-L-tryptophan526-31-849 % similar (±)-5-Hydroxytryptophan56-69-949 % similar (±)-5-Hydroxytryptophan72572-98-649 % similar L-Alanyl-L-tryptophan16305-75-248 % similar Glycyl-L-tryptophan2390-74-148 % similar 5-Fluoro-dl-tryptophan154-08-548 % similar 6-Methyl-dl-tryptophan2280-85-548 % similar 6-Chloro-L-tryptophan33468-35-848 % similar 5-Bromo-dl-tryptophan6548-09-048 % similar 6-Fluorotryptophan7730-20-348 % similar 5-Methyl-dl-tryptophan951-55-348 % similar