5-methyl hydrogen 1-{(E)-2-[4-(dimethylamino)phenyl]ethenyl}-9-isopropyl-6-methyl-heptalene-4,5-dicarboxylate

6-{(E)-2-[4-(dimethylamino)phenyl]ethenyl}-8-isopropyl-1,1-dimethoxy-11-methylheptaleno[4,5-c]furan-3(1H)-one

methyl 1-{(E)-2-[4-(dimethylamino)phenyl]ethenyl}-4-formyl-9-isopropyl-6-methylheptalene-5-carboxylate

methyl 1-{(E)-2-[4-(dimethylamino)phenyl]ethenyl}-9-isopropyl-6-methyl-4-[(1E,3E)-4-(4-nitrophenyl)buta-1,3-dien-1-yl]heptalene-5-carboxylate

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