IUPAC: 8,8-dimethyl-2,10-dioxo-2H,8H,9H,10H-pyrano[2,3-h]chromen-9-yl (2Z)-2-methylbut-2-enoate
IUPAC: 8,8-dimethyl-2,10-dioxo-2H,8H,9H,10H-pyrano[2,3-h]chromen-9-yl (2Z)-2-methylbut-2-enoate
SMILES: C\C=C(\C)C(=O)OC1C(=O)c2c(OC1(C)C)ccc1ccc(=O)oc21
SMILES: C\C=C(\C)C(=O)OC1C(=O)c2c(OC1(C)C)ccc1ccc(=O)oc21