3-amino-5-nitro-4-phenylbenzoic acid 、
溴甲苯 、
3-amino-4-phenyl-5-sulfamylbenzoic acid 、
1-溴-2-丁烯 以3-crotylamino-4-phenyl-5-sulfamylbenzoic acid is obtained with a melting point of 186°-187° C.的产率得到6-[((E)-But-2-enyl)amino]-2-sulfamoyl-biphenyl-4-carboxylic acid