(R)-2-Piperazinecarboxylic acid dihydrochloride126330-90-334 % similar (2S)-Piperazine-2-carboxylic acid dihydrochloride158663-69-534 % similar Piperazine-2-carboxylic acid dihydrochloride3022-15-934 % similar tert-Butyl (4S)-4-amino-4-carbamoylbutanoate hydrochloride108607-02-934 % similar H-Ile-nh2 hcl10466-56-533 % similar L-(+)-Arginine monohydrochloride1119-34-233 % similar Arginine hydrochloride15595-35-433 % similar Arginine hydrochloride (1:?)32042-43-633 % similar D-Arginine hydrochloride627-75-833 % similar L-tert-Leucinamide hydrochloride75158-12-233 % similar Azetidine-2-carboxylic acid2133-34-832 % similar (±)-2-Azetidinecarboxylic acid2517-04-632 % similar D-Azetidine-2-carboxylic acid7729-30-832 % similar Phenylalanine amide hydrochloride65864-22-432 % similar H-D-Phe-nh2 hcl71666-94-932 % similar Piperidin-3-amine dihydrochloride138060-07-831 % similar (S)-3-Aminopiperidine dihydrochloride334618-07-431 % similar (R)-(-)-3-Aminopiperidine dihydrochloride334618-23-431 % similar Arginine methyl ester dihydrochloride26340-89-631 % similar (S)-3-Methyl piperidine carboxylate hydrochloride164323-84-631 % similar