Formula: C27H40O5 | Mol. Weight: 444.60 g/mol
IUPAC: (1S,2S,4S,5'R,6R,7S,8R,9S,13S,15R,16R,18S)-15,16-dihydroxy-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(CC(C(C6)O)O)C)C)C)OC1