(3S,5R,10S)-7-oxo-12-methoxyabieta-8,11,13-triene-3,11,14-triol (3beta,5xi)-3,11,14-trihydroxy-12-methoxyabieta-8,11,13-trien-7-one 2,5,8-Trihydroxy-7-isopropyl-6-methoxy-1,1,4a-trimethyl-2,3,4,4a,10,10a-hexahydro-1H-phenanthren-9-one 9(1H)-phenanthrenone, 2,3,4,4a,10,10a-hexahydro-2,5,8-trihydroxy-6-methoxy-1,1,4a-trimethyl-7-(1-methylethyl)-, (2S,4aS)- InChI=1/C21H30O5/c1-10(2)14-17(24)15-11(22)9-12-20(3,4)13(23)7-8-21(12,5)16(15)18(25)19(14)26-6/h10,12-13,23-25H,7-9H2,1-6H3/t12?,13-,21-/m0/s