72889-48-6 Benzoic acid, 4-(7-chloro-2-(2-(3-nitrophenyl)ethenyl)-4-oxo-3(4H)-quinazolinyl)-, ethyl ester Ethyl 4-(7-chloro-2-(2-(3-nitrophenyl)ethenyl)-4-oxo-3(4H)-quinazolinyl)benzoate