(4R)-1-[3-(1,3-benzodioxol-4-yl)-5-nitro-2-oxo-2,3-dihydro-1H-indol-3-yl]-4-hydroxy-N,N-dim ethyl-L-prolinamide 、
4-methoxy-2-(trifluoromethoxy)benzenesulfonyl chloride 以163 mg of the title compound (pale yellow solid) was obtained by a similar method to Example 2的产率得到(4R)-1-(3-(1,3-benzodioxol-4-yl)-1-{[4-methoxy-2-(trifluoromethoxy)phenyl]sulfonyl}-5-nitro-2-oxo-2,3-dihydro-1H-indol-3-yl)-4-hydroxy-N,N-dimethyl-L-prolinamide