tert-butyl 3-((8-(3-(3-(3-methoxy-3-oxopropyl)-1H-indol-1-yl)propyl)-4-oxo-1-phenyl-1,3,8-triazaspiro[4.5]decan-3-yl)methyl)benzoate

3-((4-oxo-8-(3-(2'-oxospiro[cyclopropane-1,3'-indoline]-1'-yl)propyl)-1-phenyl-1,3,8-triazaspiro[4.5]decan-3-yl)methyl)benzoic acid hydrochloride