1,6-Dihydroxy-3a-hydroxymethyl-3-isopropyl-5a,8,8,11a,13a-pentamethyl-1,2,3,3a,4,5,5a,5b,6,7,7a,8,11a,13,13a,13b-hexadecahydro-cyclopenta[a]chrysen-9-one 9H-cyclopenta[a]chrysen-9-one, 1,2,3,3a,4,5,5a,5b,6,7,7a,8,11a,13,13a,13b-hexadecahydro-1,6-dihydroxy-3a-(hydroxymethyl)-5a,8,8,11a,13a-pentamethyl-3-(1-methylethyl)-, (1R,3S,3aR,5aS,5bS,6S,7aR,11aS,1 InChI=1/C30H46O4/c1-17(2)19-14-21(33)25-29(7)11-8-18-24(28(29,6)12-13-30(19,25)16-31)20(32)15-22-26(3,4)23(34)9-10-27(18,22)5/h8-10,17,19-22,24-25,31-33H,11-16H2,1-7H3/t19-,20-,21+,22-,24-,25+,27+,28-,29+,30+/m0/s Rubiarbonone E rel-(1R,3S,3aR,5aS,5bS,6S,7aR,11aS,13aR,13bR)-1,6-dihydroxy-3a-(hydroxymethyl)-3-isopropyl-5a,8,8,11a,13a-pentamethyl-1,2,3,3a,4,5,5a,5b,6,7,7a,8,11a,13,13a,13b-hexadecahydro-9H-cyclopenta[a]chrysen-9