2-(5-amino-2,6-dimethoxypyrimidin-4-yl)-4,5-dihydroxypentanenitrile (non-preferred name) InChI=1/C11H16N4O4/c1-18-10-8(13)9(14-11(15-10)19-2)6(4-12)3-7(17)5-16/h6-7,16-17H,3,5,13H2,1-2H