Name: | 9-hydroxy-7a,9a-dimethyl-3-methylidene-7-(propan-2-yl)hexahydro-1aH,5H-pentaleno[6a',1':5,6]pentaleno[1,6a-b]oxirene-2,8(3H,6H)-dione |
InChI: | InChI=1/C20H26O4/c1-9(2)11-6-7-19-8-12-10(3)13(21)16-20(12,24-16)18(19,5)15(23)14(22)17(11,19)4/h9,11-12,15-16,23H,3,6-8H2,1-2,4-5H3 |