3-amino-2,3-dihydro-5-chloro-3-(2-methoxyphenyl)-indol-2-one 、
4-methoxy-2-(trifluoromethoxy)benzenesulfonyl chloride 、 以4.99 g of the title compound (light yellow solid) was obtained by a similar method to Example 2的产率得到3-amino-5-chloro-3-(2-methoxyphenyl)-1-{[4-methoxy-2-(trifluoromethoxy)phenyl]sulfonyl}-1,3-dihydro-2H-indol-2-one