((1R)-2-(1,1'-biphenyl-4-yl)-1-(methyl-((1R)-1-methylcarbamoyl-2-phenylethyl)carbamoyl)ethyl)methylcarbamic acid tert-butyl ester

[(E)-4-({(R)-2-Biphenyl-4-yl-1-[methyl-((R)-1-methylcarbamoyl-2-phenyl-ethyl)-carbamoyl]-ethyl}-methyl-carbamoyl)-1,1-dimethyl-but-3-enyl]-carbamic acid tert-butyl ester