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11,71-di-tert-butyl 45-methyl (14S,15S,74S,75S)-3,5,9,11-tetraoxo-2,6,8,12-tetraaza-1,7(4,5)-diazepana-4,10(1,3)-dibenzenacyclododecaphane-11,45,71-tricarboxylate
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11,71-di-tert-butyl 45-(perfluorophenyl) (14S,15S,74S,75S)-3,5,9,11-tetraoxo-2,6,8,12-tetraaza-1,7(4,5)-diazepana-4,10(1,3)-dibenzenacyclododecaphane-11,45,71-tricarboxylate