Acta Cryst. (2007). C63, o535-o537  [ doi:10.1107/S0108270107035408 ]

Monoclinic and orthorhombic polymorphs of 4,4',6,6'-tetrachloro-2,2'-(piperazine-1,4-diyldimethylene)diphenol

K. Kubono and K. Yokoi

Formula: C₁₈H₁₈Cl₄N₂O₂ and C₁₈H₁₈Cl₄N₂O₂

Online 17 August 2007

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