Noun
English Wikipedia has an article on:cynaropicrinWikipedia
cynaropicrin (uncountable)
(organic chemistry) A sesquiterpene lactone [(3aR,4S,6aR,8S,9aR,9bR)-8-hydroxy-3,6,9-trimethylidene-2-oxo-3a,4,5,6a,7,8,9a,9b-octahydroazuleno[4,5-b]furan-4-yl] 2-(hydroxymethyl)prop-2-enoate