N-{4-carbamimidoyl-2-[(pyridin-3-ylcarbamoylmethyl)-amino]-benzyl}-3-chloro-benzamide hydrochloride 、
氯甲酸乙酯 、
三乙胺 以
N,N-二甲基乙酰胺 为溶剂,
以to give [1-amino-1-{4-[(3-chloro-benzoylamino)-methyl]-3-[(pyridin-3-ylcarbamoylmethyl)-amino]-phenyl}-meth-(Z)-ylidene]-carbamic acid ethyl ester as an off-white solid的产率得到[1-amino-1-{4-[(3-chloro-benzoylamino)-methyl]-3-[(pyridin-3-ylcarbamoylmethyl)-amino]-phenyl}-meth-(Z)-ylidene]-carbamic acid ethyl ester