4-(4-fluoro-2-methylphenylamino)-5-[4-(4-fluorophenyl)piperidine-1-carbonyl]pyridine-2-sulfonamide 、
异氰酸乙酯 以in the same manner as in Example 16, compound 22 (0.86 g, 58%) was obtained的产率得到N-(ethylcarbamoyl)-4-(4-fluoro-2-methylphenylamino)-5-[4-(4-fluorophenyl)piperidine-1-carbonyl]pyridine-2-sulfonamide