Acta Cryst. (2006). C62, o339-o343  [ doi:10.1107/S010827010601420X ]

cis-(6RS,13RS)-3,3,10,10-Tetramethyl-6,13-diphenyl-1,8-dioxa-4,11-diazacyclotetradecane-2,5,9,12-tetraone and two of its precursors

A. Linden, B. Iliev and H. Heimgartner

Formula: C₁₃H₁₇NO₄, C₁₃H₁₅NO₃ and C₂₆H₃₀N₂O₆

Online 24 May 2006

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