(2S,3S)-2-[((R)-2-{(R)-1-[(3S,4R,7S)-3-((S)-2-Amino-propionyloxy)-7-methoxy-2,2,4-trimethyl-decanoylamino]-ethyl}-4-methyl-4,5-dihydro-thiazole-4-carbonyl)-methyl-amino]-3-methyl-pentanoic acid

(2S,3S)-2-[((S)-2-{(R)-2-[(3S,4R,7S)-3-((S)-2-Azido-propionyloxy)-7-methoxy-2,2,4-trimethyl-decanoylamino]-thiopropionylamino}-3-hydroxy-2-methyl-propionyl)-methyl-amino]-3-methyl-pentanoic acid methyl ester