120354-21-4 5,6,7,8-Tetrahydro-3-amino-2,7-dimethylbenzothieno(2,3-d)pyrimidin-4(3H)-one BRN 5958703 Benzothieno(2,3-d)pyrimidin-4(3H)-one, 5,6,7,8-tetrahydro-3-amino-2,7-dimethyl-