methyl 4-({(3-methoxybenzyl)[(4-chlorophenyl)sulfonyl]amino}methyl)benzoate 、 methyl 4-[(4-chlorobenzenesulfonylamino)methyl]-2-fluorobenzoate 、
2-氟溴苄 以the title compound was obtained as white solid in 92% yield的产率得到methyl 4-{[(4-chlorobenzenesulfonyl)-(2-fluorobenzyl)amino]-methyl}-2-fluorobenzoate