2-amino-3-ethyl-5,6-dimethylpyrimidin-4(3H)-one 4(3H)-pyrimidinone, 2-amino-3-ethyl-5,6-dimethyl- InChI=1/C8H13N3O/c1-4-11-7(12)5(2)6(3)10-8(11)9/h4H2,1-3H3,(H2,9,10