Roburic acid

Synonyms: 1,2,3,4,4a,4b,5,6,6a,7,8,9,10,10aα,12,12aβ-Hexadecahydro-2α-isopropenyl-1α,4aα,4bβ,6aα,9β,10α-hexamethyl-1-chrysenepropionic Acid;3,4-Secoursa-4(23),12-dien-3-oic Acid, [1S-(1α,2β,4aβ,4bα,6aβ,9α,10β,10aβ,12aα)]-1,2,3,4,4a,4b,5,6,6a,7,8,9,10,10a,12,12a-hexadecahydro-1,4a,4b,6a,9,10-hexamethyl-2-(1-methylethenyl)-1-chrysenepropanoic Acid;