The utilization of efficiency of AFT B1 oxime has been increased to 47% and conjugate yield increased to 10mg/mg AFT B1 oxime.

• 采用此法AFTB1羧甲基肟的利用率可达47%25，偶联物的产率（以偶联物与AFTB1肟的质量比表示）达到10。