1,3-dibenzoyl-1-dimethylaminomethyl-3-butene methiodide

2,6-diphenyl-pyridine-3,5-dicarboxylic acid

diethyl 2,4-dibenzoylpentanedioate

3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,6-diphenyl-, diethyl ester