、
3-{[(2S)-1-(tert-butoxycarbonyl)piperid-2-yl][(1H-indazol-5-ylcarbamoyl)oxy]methyl}benzoic acid 、
环己胺 以tert-Butyl (S)-2-[(S)-(3-cyclohexylcarbamoyl-phenyl)-(1H-indazol-5-ylcarbamoyloxy)methyl]piperidine-1-carboxylate (310 mg) is obtained in the form of a white solid的产率得到tert-butyl (S)-2-[(S)-(3-cyclohexylcarbamoyl-phenyl)-(1H-indazol-5-ylcarbamoyloxy)methyl]piperidine-1-carboxylate