(7beta,13alpha)-7-hydroxypimara-8(14),15-dien-1-one 4(1H)-phenanthrenone, 7-ethenyl-2,3,4a,4b,5,6,7,9,10,10a-decahydro-9-hydroxy-1,1,4a,7-tetramethyl-, (4aS,4bS,7R,9S,10aS)- 7beta-Hydroxyisopimara-8(14),15-dien-1-one 9-Hydroxy-1,1,4a,7-tetramethyl-7-vinyl-2,3,4a,4b,5,6,7,9,10,10a-decahydro-1H-phenanthren-4-one InChI=1/C20H30O2/c1-6-19(4)10-7-14-13(12-19)15(21)11-16-18(2,3)9-8-17(22)20(14,16)5/h6,12,14-16,21H,1,7-11H2,2-5H3/t14-,15-,16-,19-,20+/m0/s