Synonyms: [1]Benzothieno[2,3-d]pyrimidin-4(3H)-one, 2-(2-cyclohexen-1-ylthio)-5,6,7,8-tetrahydro-;[1]benzothieno[2,3-d]pyrimidin-4-ol, 2-(2-cyclohexen-1-ylthio)-5,6,7,8-tetrahydro-;2-(Cyclohex-2-en-1-ylsulfanyl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3H)-one