[NH2:1][C:2]1[CH:7]=[CH:6][C:5]([CH2:8][C:9]([O:11][CH3:12])=[O:10])=[CH:4][CH:3]=1.[CH3:13][S:14](Cl)(=[O:16])=[O:15]>N1C=CC=CC=1>[CH3:13][S:14]([NH:1][C:2]1[CH:3]=[CH:4][C:5]([CH2:8][C:9]([O:11][CH3:12])=[O:10])=[CH:6][CH:7]=1)(=[O:16])=[O:15]In a manner similar to preparation 3, react 4-aminobenzeneacetic acid, methyl ester with methanesulfonyl chloride, and pyridine to obtain the title compound.
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