Dichlorvos-[dimethyl-D6] (2,2-Dichlorovinyl dimethyl phosphate-[dimethyl-D6], DDVP-[dimethyl-D6])Dichlorvos-[dimethyl-²H₆] (2,2-dichlorovinyl dimethyl phosphate-[dimethyl-²H₆], DDVP-[dimethyl-²H₆]) (98% D)