ethyl 5-(3-ethoxy-4-methoxyphenyl)-2-(4-hydroxy-3-methoxybenzylidene)-7-methyl-3-oxo-2,3-dihydro-5H-(1,3)thiazolo(3,2-a)pyrimidine-6-carboxylate
ethyl 5-(3-ethoxy-4-methoxyphenyl)-2-(4-hydroxy-3-methoxybenzylidene)-7-methyl-3-oxo-2,3-dihydro-5h-(1,3)thiazolo(3,2-a)pyrimidine-6-carboxylate