tokens: Pyridostigmine pretreatment was supplemented by therapy with two doses of an antidotal combination ( A , TM , B ) consisting of 0 . 05 mg / kg atropine , 2 . 24 mg / kg TMB - 4 , and 0 . 4 mg / kg benactyzine which assured survival in five of six animals following three separate exposures to 10 LD50 soman .