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Acta Cryst. (2012). E68, o107 [ doi:10.1107/S1600536811051877 ]
20,23,26,29,32,35,38,41-Octaoxa-5,9,13-triazapentacyclo[15.14.10.13,30.17,11.115,19]tetratetraconta-1,3(42),7,9,11(44),15(43),16,18,30-nonaene-6,12-dione acetone monosolvate
Online 14 December 2011
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