Photoresist Chemicals (1)Benzothieno(2,3-d)pyrimidin-4(1H)-one, 5,6,7,8-tetrahydro-2,7-dimethyl- Cas：95211-46-4 Molecular Formula：(1)Benzothieno(2,3-d)pyrimidin-4(1H)-one, 5,6,7,8-tetrahydro-2,7-dimethyl-