Synonyms: 5H-Thiazolo[3,2-a]pyrimidine-6-carboxylic acid, 2-(1,3-benzodioxol-5-ylmethylene)-2,3-dihydro-7-methyl-3-oxo-5-[(E)-2-phenylethenyl]-, methyl ester, (2Z)-;Methyl (2Z)-2-(1,3-benzodioxol-5-ylmethylene)-7-methyl-3-oxo-5-[(E)-2-phenylvinyl]-2,3-dihydro-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate