(2S,4R)-4-(biphenyl-4-ylMethyl)-1-(tert-butoxycarbonyl)pyrrolidine-2-carboxylic acid (Tert-Butoxy)Carbonyl (R)-γ-(4-biphenyl-methyl)-L-Pro Boc-(R)-3-(4-biphenyl-methyl)-L-proline (2S,4R)-1-[(2-methylpropan-2-yl)oxycarbonyl]-4-[(4-phenylphenyl)methyl]pyrrolidine-2-carboxylic acid (2S,4R)-4-({[1,1'-biphenyl]-4-yl}methyl)-1-[(tert-butoxy)carbonyl]pyrrolidine-2-carboxylic acid N-(t-Butoxycarbonyl)-trans-4-(4-biphenylmethyl)-L-proline Boc-(2S,4R)-4-(biphenyl-4-ylmethyl)-1-(tert-butoxycarbonyl)pyrrolidine-2-carboxylicacid 1,2-Pyrrolidinedicarboxylic acid, 4-([1,1'-biphenyl]-4-ylmethyl)-, 1-(1,1-dimethylethyl) ester, (2S,4R)-