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Acta Cryst. (2002). E58, o1188-o1189 [ doi:10.1107/S1600536802017919 ]
Abstract: In the title compound, C20H22O5, the heterocyclic ring has a half-boat conformation. The methoxycarbonylmethyl substituent is in an equatorial position. The substituents in positions 3 and 4 are in a trans configuration.
Online 5 October 2002
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