5H-thiazolo[3,2-a]pyrimidin-5-one, 2,3-dihydro-7-methyl- 7-methyl-2,3-dihydro-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one InChI=1/C7H8N2OS/c1-5-4-6(10)9-2-3-11-7(9)8-5/h4H,2-3H2,1H