Received 28 July 2013
The title compound, C40H47FN2O5, crystallizes with two independent but similar molecules in the asymmetric unit. In the crystal, molecules are linked into chains along  by intermolecular N-HO hydrogen bonds.
Data collection: CAD-4 EXPRESS (Enraf-Nonius, 1994); cell refinement: CAD-4 EXPRESS; data reduction: XCAD4 (Harms & Wocadlo, 1995); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: VM2197 ).
The authors thank the Center of Test and Analysis, Nanjing University, for support.
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