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N-Methyl-L-tryptophan526-31-843 % similar 3-(3-Benzo(b)thienyl)alanine72120-71-943 % similar 2-Cyano-D-phenylalanine263396-41-442 % similar L-2-Cyanophenylalanine263396-42-542 % similar 3,5-Dibromo-L-tyrosine300-38-942 % similar Ala-trp16305-75-242 % similar DL-Phenylalanine150-30-142 % similar Glycyl-L-tryptophan2390-74-142 % similar Phenylalanine63-91-242 % similar D-Phenylalanine673-06-342 % similar N-(Hydroxymethylidene)tryptophan16108-03-541 % similar Tyrosine hydrochloride16870-43-241 % similar D-Histidine351-50-841 % similar DL-Histidine4998-57-641 % similar Histidine71-00-141 % similar 5-Bromindoxyl acetate17357-14-141 % similar 2-Amino-3-(2-(trifluoromethyl)phenyl)propanoic Acid3832-73-341 % similar Acetyl-L-tryptophan1218-34-441 % similar (R)-Tryptophan methyl ester monohydrochloride14907-27-841 % similar Serotonin adipate16031-83-741 % similar