2-(5-(4-methoxyphenyl)furan-2-yl)fumaric acid

2-(5-(p-tolyl)furan-2-yl)fumaric acid

4-hydroxy-7-(4-methylphenyl)-2-benzofuran-1,3-dione

4-[2-(4-formylphenyl)ethynyl]benzaldehyde

dicyclohexyl but-2-ynedioate