Acta Cryst. (2008). C64, o665-o670  [ doi:10.1107/S0108270108038778 ]

Four N⁷-alkoxybenzyl-substituted 4,5,6,7-tetrahydro-1H-pyrazolo[3,4-b]pyridine-5-spiro-1'-cyclohexane-2',6'-diones: hydrogen-bonded supramolecular structures in zero, one, two or three dimensions

J. Trilleras, J. Quiroga, J. Cobo, J. N. Low and C. Glidewell

Formula: C₃₁H₃₇N₃O₃, C₃₂H₃₉N₃O₄, C₃₁H₃₅N₃O₄ and C₃₃H₄₁N₃O₅·0.67C₂H₆O

Online 27 November 2008

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