Acta Cryst. (2005). C61, o161-o164 [ doi:10.1107/S0108270105001034 ]
Formula: C21H23N2O2+·ClO4-·H2O, C21H23N2O2+·HSO4-·2H2O and C21H23N2O2+·H2PO4-·2H2O
Online 19 February 2005
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