4-chloro-N-[1-(3,5-dimethyl-phenylcarbamoyl)-ethyl]-3,5-dinitrobenzamide   、                                                                                      
正丁胺                                                                                                                                                              在
                                                                                                                                                                                 potassium hydroxide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 
4-butylamino-N-[1-(3,5-dimethyl-phenylcarbamoyl)-ethyl]-3,5-dinitrobenzamide   、                                                                                             
4-butylamino-N-[1-(3,5-dimethyl-phenylcarbamoyl)-ethyl]-3,5-dinitrobenzamide   、                                                                                             (S)-4-butylamino-N-[1-((3,5-dimethylphenyl)carbamoyl)ethyl]-3,5-dinitrobenzamide