4-chloro-1-[4-(4-chlorophenyl)-phenoxy]-3,3-dimethyl-1(imidazol-1-yl)-butan-2-one naphthalene-1,5-disulphonate   、                                                                                      
碳酸氢钠                                                                                                                                                                                                                                                                                                          以4-Chloro-1-[4-(4-chlorophenyl)-phenoxy]-3,3-dimethyl-1-(imidazol-1yl)-butan-2-one of melting point 97°-99° C. was obtained quantitatively的产率得到4-chloro-1-(4'-chloro-biphenyl-4-yloxy)-1-imidazol-1-yl-3,3-dimethyl-butan-2-one