1-Methyl-L-histidine332-80-9100 % similar 1-(Triphenylmethyl)-L-histidine35146-32-857 % similar L-4-Thiazolylalanine119433-80-652 % similar D-4-Thiazolylalanine131896-42-952 % similar 3-Methylhistidine368-16-152 % similar (αR)-α-Amino-4-pyridinepropanoic acid37535-50-545 % similar 1-Methyl-D-tryptophan110117-83-445 % similar 1-Methyl-L-tryptophan21339-55-945 % similar 4-Methyl-L-phenylalanine1991-87-344 % similar Phenylalanine63-91-244 % similar D-Phenylalanine673-06-344 % similar D-Histidine351-50-843 % similar Dl-histidine4998-57-643 % similar Histidine71-00-143 % similar D-Tyrosine556-02-543 % similar Dl-tyrosine556-03-643 % similar Tyrosine60-18-443 % similar 2-Methyl-L-phenylalanine80126-53-043 % similar 2-Methyl-D-phenylalanine80126-54-143 % similar 4-Amino-dl-phenylalanine2922-41-042 % similar