Formula: C27H40O4 | Mol. Weight: 428.60 g/mol
IUPAC: (1R,2R,4S,5'R,6R,7S,8R,9R,12S,13R)-2-hydroxy-5',7,9,13-tetramethylspiro[5-oxapentacyclo[10.8.0.02,9.04,8.013,18]icos-17-ene-6,2'-oxane]-16-one
CC1CCC2(C(C3C(O2)CC4(C3(CCC5C4CCC6=CC(=O)CCC56C)C)O)C)OC1