Formula: C27H40O4 | Mol. Weight: 428.60 g/mol
IUPAC: (1S,2S,4S,5'R,6R,7S,8R,9S,13S,16S,18S)-16-hydroxy-5',7,9,13-tetramethylspiro[5-oxapentacyclo[10.8.0.02,9.04,8.013,18]icos-11-ene-6,2'-oxane]-10-one
CC1CCC2(C(C3C(O2)CC4C3(C(=O)C=C5C4CCC6C5(CCC(C6)O)C)C)C)OC1