2-methylsulfanyl-1,4,5,6,7,8-hexahydro-[1]benzothiolo[2,3-d]pyrimidine

2,3,6,7,8,9-hexahydro<1>benzothieno<2,3-d>oxazolo<3,2-a>pyrimidine

3,4,5,6,7,8-hexahydrobenzothieno<2,3-d>pyrimidin-2-(1H)one

2-chloro-5,6,7,8-tetrahydro-benzo[4,5]thieno[2,3-d]pyrimidine

2-methyl-6,7,8,9-tetrahydro<1>benzothieno<2,3-d>imidazo<1,2-a>pyrimidine