122945-81-7 9H-Thiazolo(3,2-a)thieno(3,2-d)pyrimidine-6-carboxylic acid, 7-methyl-9-oxo-2-phenyl-, ethyl ester BRN 6006145 Ethyl 7-methyl-9-oxo-2-phenyl-9H-thiazolo(3,2-a)thieno(3,2-d)pyrimidine-6-carboxylate