78979-63-2

Ethyl 2-(4-nitrophenyl)oxazole-4-carboxylate 2-(4-nitrophenyl)-4-oxazolecarboxylic acid ethyl ester 2-(4-Nitro-phenyl)-oxazole-4-carboxylic acid ethyl ester 4-Oxazolecarboxylic acid, 2-(4-nitrophenyl)-, ethyl ester