Cymarin (or cymarine) is a cardiac glycoside. Plants of the genus Apocynum, including Apocynum cannabinum and Apocynum venetum, contain cymarin. Cymarin is a cardiac glycoside and an anti-arrhythmia and cardiotonic agent.
The compounds of every Wikipedia article carrying a Chembox or a Drugbox, refreshed daily, with the values their infoboxes give. The pages need JavaScript; the API does not.