Formula: C35H40O5 | Mol. Weight: 540.70 g/mol
IUPAC: 6-[4-[(3S,8aS)-3-hydroxy-5,5,8a-trimethyl-2-methylidene-3,4,4a,6,7,8-hexahydro-1H-naphthalen-1-yl]but-2-en-2-yl]-1,4-dihydroxy-5,6-dihydrobenzo[c]xanthen-7-one
CC(=CCC1C(=C)C(CC2C1(CCCC2(C)C)C)O)C3CC4=C(C=CC(=C4C5=C3C(=O)C6=CC=CC=C6O5)O)O