(1)Benzothieno(2,3-d)pyrimidin-4(1H)-one, 5,6,7,8-tetrahydro-7-methyl- 5,6,7,8-Tetrahydro-7-methyl-(1)benzothieno(2,3-d)pyrimidin-4(1H)-one 95211-71-5 BRN 5338843