Citrulline372-75-869 % similar Citrulline627-77-069 % similar D-Arginine157-06-268 % similar (±)-Arginine7200-25-168 % similar Arginine74-79-368 % similar L-(+)-Arginine monohydrochloride1119-34-263 % similar Arginine hydrochloride15595-35-463 % similar Arginine hydrochloride (1:?)32042-43-663 % similar D-Arginine hydrochloride627-75-863 % similar Homocitrulline1190-49-462 % similar Homoarginine156-86-562 % similar Diaminopimelic acid583-93-761 % similar Arginine acetate71173-62-160 % similar Arginine glutamate4320-30-358 % similar Arginine aspartate7675-83-458 % similar N-Propyl-L-arginine137361-05-857 % similar L-Homoarginine hydrochloride1483-01-857 % similar Symmetric dimethylarginine30344-00-456 % similar Ornithine70-26-854 % similar Polylysine25104-18-153 % similar