22-Hydroxy-24-methylsedn-16-en-24-one-12beta,25beta-olide 3-Acetyl-6b-hydroxymethyl-10,10,12a,12c-tetramethyl-1,3a,5a,6,6a,6b,7,8,9,10,10a,11,12,12a,12b,12c-hexadecahydro-5-oxa-cyclopenta[hi]chrysen-4-one 4H-chryseno[12,1-bc]furan-4-one, 3-acetyl-1,3a,5a,6,6a,6b,7,8,9,10,10a,11,12,12a,12b,12c-hexadecahydro-6b-(hydroxymethyl)-10,10,12a,12c-tetramethyl-, (3aR,5aR,6aS,6bR,10aS,12aR,12bS,12cS)- InChI=1/C26H38O4/c1-15(28)16-7-8-18-24(4)12-9-17-23(2,3)10-6-11-26(17,14-27)19(24)13-20-25(18,5)21(16)22(29)30-20/h7,17-21,27H,6,8-14H2,1-5H3/t17-,18-,19-,20+,21+,24-,25+,26+/m0/s rel-(3aR,5aR,6aS,6bR,10aS,12aR,12bS,12cS)-3-acetyl-6b-(hydroxymethyl)-10,10,12a,12c-tetramethyl-1,3a,5a,6,6a,6b,7,8,9,10,10a,11,12,12a,12b,12c-hexadecahydro-4H-chryseno[12,1-bc]furan-4-one (non-prefer