racemic (2'R,3S,4'R)-6-chloro-4'-[5-chloro-2-(1-ethoxycarbonyl-1-methyl-ethoxy)-phenyl]-2'-(2,5-difluoro phenyl)spiro[3H-indole-3,3'-piperidine]-2,6'(1H)-dione (HCID 76568094)|化工社