The another result was that 2,4-DNT, 4-NT and m-DNB were terribly high accumulation, moreover, 2,6-DNT was high accumulation by Ic.

• 采用蓄积指数（Ic）法评价得到：2,4-DNT为极强蓄积，4-NT为极强蓄积，m-DNB为极强蓄积，2,6-DNT为强蓄积。