300723-22-2

(Z)-ethyl 5-(4-methoxyphenyl)-7-methyl-2-(4-nitrobenzylidene)-3-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate ethyl 2-{4-nitrobenzylidene}-5-(4-methoxyphenyl)-7-methyl-3-oxo-2,3-dihydro-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate 5H-Thiazolo[3,2-a]pyrimidine-6-carboxylic acid, 2,3-dihydro-5-(4-methoxyphenyl)-7-methyl-2-[(4-nitrophenyl)methylene]-3-oxo-, ethyl ester