roburic acid

3,4-Secours-4(23),12-dien-3-oic acid

3,4-Secoursa-4(23),12-dien-3-oicacid(7CI)

(1S,2S,4aR,4bS,6aR,9R,10S,10aR,12aR)-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