tert-Butyl cis(+/-)-3-(benzylamino)-4-{[(4-chloro-5-ethyl-1H-imidazol-2-yl)carbonyl]amino}piperidine-1-carboxylate tert-Butyl trans(+/-)-3-(benzylamino)-4-{[(4-chloro-5-ethyl-1H-imidazol-2-yl)carbonyl]amino}piperidine-1-carboxylate (HCID 131730872)|Huagongshe