Cycloleucine52-52-833 % similar Flupropanate756-09-233 % similar 1-Aminocyclohexanecarboxylic acid2756-85-633 % similar (R)-2-Methylcysteine hydrochloride148766-37-431 % similar (S)-2-Methylcysteine hydrochloride151062-55-431 % similar H-Lys-nh2 2hcl51127-08-331 % similar (S)-2-Methylpyrrolidine-2-carboxylic acid (hydrochloride)1508261-86-631 % similar Putrescine dihydrochloride333-93-731 % similar 5-Aminovaleric acid660-88-830 % similar