for a level of 0.70 mmol/kg ip of cocl2 ( slightly higher than its ld50 ) , the ip administration of chelating agents at a 2:1 and 5:1 mole ratio resulted in a significant antidotal action for l-cysteine , n-acetyl-cysteine , l-histidine , glutathione , d , l-penicillamine , dmsa , dtpa and edta .
C0003295
antidotal
C0001047
n-acetyl-cysteine