N-Propyl-L-arginine137361-05-8100 % similar Citrulline372-75-867 % similar Citrulline627-77-067 % similar D-Arginine157-06-266 % similar (±)-Arginine7200-25-166 % similar Arginine74-79-366 % similar 2-Aminoheptanoic acid1115-90-863 % similar Nitroarginine2149-70-462 % similar (±)-2-Aminooctanoic acid644-90-662 % similar 2-Aminohexadecanoic acid7769-79-162 % similar L-(+)-Arginine monohydrochloride1119-34-261 % similar Arginine hydrochloride15595-35-461 % similar Arginine hydrochloride (1:?)32042-43-661 % similar D-Arginine hydrochloride627-75-861 % similar Homocitrulline1190-49-461 % similar D-Norleucine327-56-061 % similar (±)-Norleucine616-06-861 % similar Homoarginine156-86-560 % similar Arginine acetate71173-62-160 % similar Arginine glutamate4320-30-357 % similar