554423-03-9

2-MERCAPTO-3-METHYL-3H-THIENO[2,3-D]PYRIMIDIN-4-ONE 2-Mercapto-3-methylthieno[2,3-d]pyrimidin-4(3H)-one 3-Methyl-2-sulfanyl-3H,4H-thieno[2,3-d]pyriMidin-4-one 3-methyl-2-sulfanylidene-1H-thieno[2,3-d]pyrimidin-4-one 2,3-Dihydro-3-methyl-2-thioxothieno[2,3-d]pyrimidin-4(1H)-one Thieno[2,3-d]pyrimidin-4(1H)-one, 2,3-dihydro-3-methyl-2-thioxo-