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Acta Cryst. (2003). C59, o9-o13 [ doi:10.1107/S0108270102020206 ]
-stacked chains of fused R22(8) rings, and centrosymmetric R22(8) dimersFormula: C6H9N3O, C19H19N3O and C25H23N3O2
Online 10 December 2002
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