[6-(4-Carbamimidoyl-2,6-difluoro-benzoylamino)-1-oxo-1,2,3,4-tetrahydro-naphthalen-2-yl]-acetic acid ethyl ester 在
sodium hydroxide 作用下,
以
乙醇 为溶剂,
生成 {6-[4-(tert-Butoxycarbonylamino-imino-methyl)-2,6-difluoro-benzoylamino]-1-oxo-1,2,3,4-tetrahydro-naphthalen-2-yl}-acetic acid