“…Bispyridinium oximes can reactivate the phosphorylated enzyme if they are administered before the change from the reactivatable to the unreactivatable state, the process referred to as "aging." HI-6 has relatively low toxicity and is efficient in the treatment of soman intoxication (Clement, 1982;Hamilton and Lundy, 1989;Kusic et al, 1985;Lundy et al, 2011;Van Helden et al, 1992;Walday et al, 1993). However, administration of oximes after "aging" has already occurred can enhance survival (McDonough and Shih, 1997).…”