2-((Z)-1-{(2S,3R)-3-Hydroxy-2-[(2-phenyl-thiazole-4-carbonyl)-amino]-butyrylamino}-propenyl)-thiazole-4-carboxylic acid

2-((1S,2R)-2-Hydroxy-1-{(2S,3R)-3-hydroxy-2-[(2-phenyl-thiazole-4-carbonyl)-amino]-butyrylamino}-propyl)-thiazole-4-carboxylic acid