(1)Benzothieno(2,3-d)pyrimidin-4-amine, 5,6,7,8-tetrahydro-N-2,1,3-benzothiadiazol-4-yl- 188550-08-5 4-((Benzo-2,1,3-thiadiazolyl-4)amino)-5,6,7,8-tetrahydrobenzothieno(2,3-d)pyrimidine 5,6,7,8-Tetrahydro-N-2,1,3-benzothiadiazol-4-yl-(1)benzothieno(2,3-d)pyrimidin-4-amine G-1697