2-amino-6-methyl-5,6,7,8-tetrahydropyrido[2,3-d]pyrimidin-4(3H)-one InChI=1/C8H12N4O/c1-4-2-5-6(10-3-4)11-8(9)12-7(5)13/h4H,2-3H2,1H3,(H4,9,10,11,12,13 pyrido[2,3-d]pyrimidin-4(3H)-one, 2-amino-5,6,7,8-tetrahydro-6-methyl-