It showed: (1) Both of BmK2-2-5-5-l and BmK2-2-5-6-l revealed end absorption by UV scan, which the absorbency is the highest at 206nm or so.

• 结果显示:(1)BmK2-2-5-5-1和BmK2-2-5-6-1对紫外扫描呈末端吸收,其吸收峰均在206nm左右;