1,2,4-triazolo[4,3-a]pyrimidin-7(8H)-one, 5,8-dimethyl-3-(methylthio)- 5,8-dimethyl-3-(methylthio)[1,2,4]triazolo[4,3-a]pyrimidin-7(8H)-one InChI=1/C8H10N4OS/c1-5-4-6(13)11(2)7-9-10-8(14-3)12(5)7/h4H,1-3H