N-<(α-methoxy-4'-ethoxybenzylidene)amino>-2-pyridone

N-<(4'-ethoxybenzoyl)imino>-2-methoxypyridinium ylide

4-Ethoxy-N-(2-oxo-2H-pyridin-1-yl)-benzamide

5-methoxy-4,6,9a,9b-tetramethyl-2,5,8-triphenyl-5,6,9a,9b-tetrahydro-4H-imidazo[4',5':5,6]benzo[1,2-d:4,3-d']bis(thiazole)