132605-23-3 2,3-Dihydro-3-methyl-5-phenyl-2-thioxothieno(2,3-d)pyrimidin-4(1H)-one BRN 4190820 Thieno(2,3-d)pyrimidin-4(1H)-one, 2,3-dihydro-3-methyl-5-phenyl-2-thioxo-