(S)-1-Azido-26-carboxy-5,14,23,28-tetraoxo-7,10,16,19-tetraoxa-4,13,22,27-tetraazapentatetracontan-45-oic acid 1g

(S)-1-Azido-26-carboxy-5,14,23,28-tetraoxo-7,10,16,19-tetraoxa-4,13,22,27-tetraazapentatetracontan-45-oic acid 1g