In the title compound, C16H10Cl2N4O4, the pyrazine rings make dihedral angles of 67.82 (9) and 75.91 (9)° with the benzene ring, while the dihedral angle between the pyrazine rings is 44.69 (10)°. The meth-oxy-carbonyl group makes a dihedral angle of 16.82 (8)° with the benzene ring to which it is attached. In the crystal, C-H⋯O hydrogen bonds link the mol-ecules, forming chains running along the ab plane.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3648301 | PMC |
| http://dx.doi.org/10.1107/S1600536813010465 | DOI Listing |
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