tert-butyl (3R,4S)-3-({[3-{[(tert-butyl)(dimethyl)silyl]oxy}-5-(3-methoxypropyl)benzyl](cyclopropyl)amino}carbonyl)-4-{4-[2-(2,6-dichloro-4-methylphenoxy)ethoxy]phenyl}piperidine-1-carboxylate

1-(tert-butyl) 3-ethyl 4-{4-[2-(2,6-dichloro-4-methylphenoxy)ethoxy]phenyl}piperidine-1,3-dicarboxylate