CAS No 121062-08-6 , (3S,6S,9R,12S,15S,
23S)-15-[[(2S)-2-acetamidohexanoyl]amino]-9-benzyl-6-[3-
(diaminomethylideneamino)propyl]-12-(1H-imidazol-5-ylmethyl)-3-(1H-
indol-3-ylmethyl)-2,5,8,11,14,17-hexaoxo-1,4,7,10,13,
18-hexazacyclotricosane-23-carboxamide