3-isopropyl-5a,5b,7a,10,13b-pentamethyl-2,4,5,5a,5b,6,7,7a,8,9,10,11,11a,13,13a,13b-hexadecahydro-1H-cyclopenta[a]chrysene-10-carboxylic acid methyl ester

3-acetoxy-oleana-2,12-dien-30-oic acid methyl ester