IUPAC: 6,8,12-trihydroxy-2-methyl-2-{[(6,8,12-trihydroxy-2,2-dimethyl-2,5-dihydro-1,10-dioxatetraphen-5-ylidene)-lambda3-oxy]methyl}-2,5-dihydro-1,10-dioxatetraphen-5-one

SMILES: CC1(C)Oc2c(O)cc3oc4cc(O)cc(O)c4c(=[O]CC4(C)Oc5c(O)cc6oc7cc(O)cc(O)c7c(=O)c6c5C=C4)c3c2C=C1 |w:19.20,c:46,53|