Pyrazine-2,3-dicarboxamide
In the crystal structure of the title diamide, C(6)H(6)N(4)O(2), linear tapes of carboxamide N-H.O and pyrazine C-H.N hydrogen-bond dimers are connected by N-H.O bonds to form a staircase-like pattern.
Vishweshwar
P
School of Chemistry, University of Hyderabad, Hyderabad 500 046, India.
Nangia
A
Lynch
VM