43088-52-4 5,6,7,8-Tetrahydro-3-amino-2-methylbenzothieno(2,3-d)pyrimidin-4(3H)-one BRN 5043162 Benzothieno(2,3-d)pyrimidin-4(3H)-one, 5,6,7,8-tetrahydro-3-amino-2-methyl-