Abstract C 9 H 7 N 3 O 2 , monoclinic, Pn (no. 7), a = 5.9919(7) Å, b = 3.7016(4) Å, c = 18.1339(17) Å, β = 91.659(9)°, V = 402.03(7) Å 3 , Z = 1, R gt ( F ) = 0.059, w R ref ( F 2 ) = 0.172, T = 293 K.
Feng et al. (Fri,) studied this question.
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