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

(4S,5S)-4,5-Diazido-azepane-1-carboxylic acid tert-butyl ester