methyl 4-({(3-methoxybenzyl)[(4-chlorophenyl)sulfonyl]amino}methyl)benzoate   、                                                                                      
4-ethoxy-N-pyridin-2-ylmethylbenzenesulfonamide   、                                                                                         、                                                                                      
4-氰基-3-氟苄溴                                                                                                                                                                                                                                                                                                          以the title compound was obtained as yellow solid in 93% yield的产率得到N-(4-cyano-3-fluorobenzyl)-4-ethoxy-N-(pyridin-2-ylmethyl)benzenesulfonamide