(1)Benzothieno(2,3-d)pyrimidin-4(3H)-one, 5,6,7,8-tetrahydro-2-(1-piperidinylmethyl)- 2-(1-Piperidinylmethyl)-5,6,7,8-tetrahydro-(1)benzothieno(2,3-d)pyrimidin-4(3H)-one 2-(Piperidinylmethyl)-4-oxo-3,4,5,6,7,8-hexahydrobenzo(b)thieno(2,3-d)pyrimidine [French] 20886-96-8