Rescinnamine, known by the brand names moderil, cinnasil, and anaprel, is an angiotensin-converting enzyme inhibitor used as an antihypertensive drug. It is a vinca alkaloid obtained from Rauvolfia serpentina and other species of Rauvolfia. References Indoloquinolizines Tryptamine alkaloids Isoquinoline alkaloids ACE inhibitors Antihypertensive agents Alkaloids found in Rauvolfia Pyrogallol ethers Cinnamate esters Indole ethers at the benzene ring