(Z)-4-(((2S,4R)-1-((1,1'-BIPHENYL)-4-YL)-5-ETHOXY-4-METHYL-5-OXOPENTAN-2-YL)AMINO)-4-OXOBUT-2-ENOIC ACID
(z)-4-(((2s,4r)-1-((1,1'-biphenyl)-4-yl)-5-ethoxy-4-methyl-5-oxopentan-2-yl)amino)-4-oxobut-2-enoic acid