(2’R，3S，4’S，5’R)-6-Chloro-4’-(3-Chloro-2-Fluorophenyl)-2’-(2，2-Dimethylpropyl)-1，2-Dihydro-N-(Trans-4-Hydroxycyclohexyl)-1’-[(1R，2S)-2-Hydroxy-1，2-Diphenylethyl]-2-Oxospiro[3H-Indole-3，3’-Pyrrolidine]-5’-Carboxamide