L-Serinamide hydrochloride65414-74-632 % similar Polaprezinc107667-60-732 % similar (tert-Butoxycarbonyl)-L-histidine17791-52-532 % similar Boc-D-his-oh50654-94-932 % similar 2-Aminoindan hydrochloride2338-18-331 % similar (R)-3-Amino-4-(3-pyridyl)-butyric acid-2hcl269396-64-731 % similar N-[(Phenylmethoxy)carbonyl]-L-histidine14997-58-130 % similar (S)-2-Amino-but-3-en-1-ol hydrochloride219803-57-330 % similar Acetylcarnosine56353-15-230 % similar Z-D-His-oh67424-93-530 % similar