Perindoprilat-d3 disodium is deuterated labeled Perindoprilat (HY-B1433). Perindoprilat (S 9780) is an angiotensin-converting enzyme (ACE) inhibitor with the IC50 value ranging from 1.5 to 3.2 nM. Perindoprilat can be used in hypertension research[1][2].