(2S,3aS,7aS)-1-[(2S)-2-[[(1S)-1-(Ethoxycarbonyl)butyl]amino]-1-oxopropyl]octahydro-1H-indole-2-carboxylate L-Arginine (1:1),"Perindopril L-Arginine, is a complex compound of Perindopril , having the antihypertensive, cardiovascular protective and antithrombotic properties, and has been shown to exists as a neutral complex.",Perindopril Therapeutic