2-(2,6-dimethoxy-5-nitropyrimidin-4-yl)-4,5-dihydroxypentanenitrile (non-preferred name) InChI=1/C11H14N4O6/c1-20-10-9(15(18)19)8(13-11(14-10)21-2)6(4-12)3-7(17)5-16/h6-7,16-17H,3,5H2,1-2H acetamide, N-[4-(cyanomethyl)-2,6-dimethoxy-5-pyrimidinyl]-