202997-63-5 223253-75-6 80407-72-3 83951-84-2 ARGININE BUTYRATE Butanoic acid, compd. with L-arginine (4:3) L-Arginine butanoate L-Arginine butyrate (3:4) L-Arginine, butanoate (3:4) L-Arginine, monobutanoate VX 105