{3-[(2'-{2-[(2S,3R)-2-((R)-4-Amino-pentanoylamino)-3-hydroxy-butyrylamino]-ethyl}-[2,4']bithiazolyl-4-carbonyl)-amino]-propyl}-dimethyl-sulfonium

[3-({2'-[2-((2S,3R)-2-{(R)-4-[(2S,3R)-2-tert-Butoxycarbonylamino-3-hydroxy-3-(1-trityl-1H-imidazol-4-yl)-propionylamino]-pentanoylamino}-3-hydroxy-butyrylamino)-ethyl]-[2,4']bithiazolyl-4-carbonyl}-amino)-propyl]-dimethyl-sulfonium

[3-({2'-[2-((2S,3R)-2-{(R)-4-[(2S,3R)-2-Amino-3-hydroxy-3-(1H-imidazol-4-yl)-propionylamino]-pentanoylamino}-3-hydroxy-butyrylamino)-ethyl]-[2,4']bithiazolyl-4-carbonyl}-amino)-propyl]-dimethyl-sulfonium