(1)Benzothieno(2,3-d)pyrimidin-4(1H)-one, 5,6,7,8-tetrahydro-5-methyl- 5,6,7,8-Tetrahydro-5-methyl-(1)benzothieno(2,3-d)pyrimidin-4(1H)-one 95211-69-1 BRN 5540972