Molecular Conformation and Supramolecular Aggregation in Two Fused Pyrazoles: Π-stackedR_{\bf 2}^{\bf 2}(6) Dimers in 2,8,8-Trimethyl-6,7,8,9-Tetrahydropyrazolo[2,3-A]quinazolin-6-One, and Sheets of alternatingR_2^2(12) andR_6^6(48) Rings in 3-Tert-Butyl-4′,4′-Dimethyl-1-Phenyl-4,5,6,7-Tetrahydro-1h-Pyrazolo[3,4-B]pyridine-5-Spiro-1′-Cyclohexane-2′,6′-Dione

Acta Crystallographica Section C Crystal Structure Communications
doi 10.1107/s0108270104004159
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International Union of Crystallography (IUCr)


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