Acta Cryst. (2004). C60, o559-o563  [ doi:10.1107/S0108270104013812 ]

5-Acetyl-2-amino-6-methyl-4-(1-naphthyl)-4H-pyran-3-carbonitrile, methyl 6-amino-5-cyano-2-methyl-4-(1-naphthyl)-4H-pyran-3-carboxylate and tert-butyl 6-amino-5-cyano-2-methyl-4-(1-naphthyl)-4H-pyran-3-carboxylate

S. V. Nesterova, D. J. Wiedenfeld and V. N. Nesterov

Formula: C₁₉H₁₆N₂O₂, C₁₉H₁₆N₂O₃ and C₂₂H₂₂N₂O₃

Online 10 July 2004

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