6-[1,2-(Z)-Bis(methoxycarbonyl)vinyl]amino-5-dimethylamino-2-methoxy-3-methyl-4(3H)-pyrimidinone

The molecular conformation of the title compound, dimethyl (Z)-1-[5-dimethylamino-2-methoxy-3-methyl-4(3H)-oxo-6-pyrimidinylamino]-ethylene-1,2-dicarboxylate, C₁₄H₂₀N₄O₆, in the solid state is determined by an intramolecular bifurcated hydrogen-bond system involving the H atom on the amino N6 atom and adjacent dimethylamino N5 and carbonyl O61 atoms [N6...N5 2.722 (2) and N6...O61 2.767 (2) Å].

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