di-tert-butyl [5-(5-chloro-2-{4-[(2,4-dimethoxybenzyl)(1,2,4-thiadiazol-5-yl)sulfamoyl]-2,5-difluorophenoxy}phenyl)-1,2-benzoxazol-3-yl]imidodicarbonate 、
4-(4-chloro-2-(2-oxoindolin-5-yl)phenoxy)-N-(2,4-dimethoxybenzyl)-2,5-difluoro-N-(1,2,4-thiadiazol-5-yl)benzenesulfonamide 以4-(4-chloro-2-(2-oxoindolin-5-yl)phenoxy)-2,5-difluoro-N-(1,2,4-thiadiazol-5-yl)benzenesulfonamide was obtained as an off-white solid in 53% yield over two steps (0.03 g)的产率得到4-(4-chloro-2-(2-oxo-2,3-dihydrobenzo[d]azol-5-yl)phenoxy)-2,5-difluoro-N-(1,2,4-thiadiazol-5-yl)benzenesulfonamide