methyl 4-formyl-9-isopropyl-6-methyl-1-[(1E,3E)-4-phenylbuta-1,3-dien-1-yl]heptalene-5-carboxylate

dimethyl 9-isopropyl-6-methyl-1-[(1E,3E)-4-(4-methoxyphenyl)buta-1,3-dien-1-yl]heptalene-4,5-dicarboxylate

5-methyl hydrogen 9-isopropyl-6-methyl-1-[(E)-2-(4-nitrophenyl)ethenyl]-4,5-dicarboxylate

8-isopropyl-1,1-dimethoxy-11-methyl-6-[(E)-2-(4-nitrophenyl)ethenyl]heptaleno[4,5-c]furan-3(1H)-one

methyl 4-formyl-9-isopropyl-6-methyl-1-[(E)-2-(4-nitrophenyl)ethenyl]heptalene-5-carboxylate