The title compound, C(22)H(28)N(2)O(6), crystallizes with four half-mol-ecules in the asymmetric unit: each mol-ecule is located about a crystallographic inversion centre. The central methyl-ene groups of two mol-ecules are disordered over two sets of equally occupied sites. The crystal packing is characterized by sheets of mol-ecules parallel to (14).
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2983734 | PMC |
http://dx.doi.org/10.1107/S1600536810003855 | DOI Listing |
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