The molecule is an organoammonium salt obtained by combining perindopril with one molar equivalent of L-arginine. It has a role as an EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor and an antihypertensive agent. It contains a L-argininium(1+) and a perindopril(1-).
(2S,3aS,7aS)-1-[(2S)-2-[[(2S)-1-ethoxy-1-oxopentan-2-yl]amino]propanoyl]-2,3,3a,4,5,6,7,7a-octahydroindole-2-carboxylic acid;(2S)-2-amino-5-(diaminomethylideneamino)pentanoic acid