4(1H)-pyrimidinone, 2,3-dihydro-6-methyl-2-thioxo- 6-methyl-2-thioxo-2,3-dihydropyrimidin-4(1H)-one InChI=1/C5H6N2OS/c1-3-2-4(8)7-5(9)6-3/h2H,1H3,(H2,6,7,8,9