6-methyl-2,3-dihydro-7H-[1,3]oxazolo[3,2-a]pyrimidin-7-one 7H-oxazolo[3,2-a]pyrimidin-7-one, 2,3-dihydro-6-methyl- InChI=1/C7H8N2O2/c1-5-4-9-2-3-11-7(9)8-6(5)10/h4H,2-3H2,1H