Acta Cryst. (2003). C59, o53-o56  [ doi:10.1107/S0108270102021960 ]

Three 2-aminopurine derivatives

D. E. Lynch and I. McClenaghan

Formula: C₅H₄ClN₅, C₁₁H₈ClN₅S·0.5H₂O and C₁₂H₁₁N₅S·0.33H₂O

Online 24 December 2002

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