1 EK8 (2r)-2-benzyl-3-[3-({[4-(piperidin-1-yl)benzoyl]amino}methyl)-4-propoxyphenyl]propanoic acid 1.000 2 EK1 (2r)-2-benzyl-3-[4-propoxy-3-({[4-(pyrimidin-2-yl)benzoyl]amino}methyl)phenyl]propanoic acid 0.727