SMILES: CCOC(=O)[C@H](CCC1=CC=CC=C1)[NH2+][C@@H](C)C(=O)N2CC3=CC=CC=C3C[C@H]2C(=O)O
Description: The molecule is an ammonium ion resulting from the protonation of the secondary amino group of quinapril. It is a conjugate acid of a Phrymarolin I.