(1)Benzothieno(2,3-d)pyrimidin-4(3H)-one, 5,6,7,8-tetrahydro-2-((diethylamino)methyl)- 2-((Diethylamino)methyl)-5,6,7,8-tetrahydro-(1)benzothieno(2,3-d)pyrimidin-4(3H)-one 2-(Diethylaminomethyl)-4-oxo-3,4,5,6,7,8-hexahydrobenzo(b)thieno(2,3-d)pyrimidine [French] 20886-90-2