84605-28-7 Phosphorodithioic acid, mixed O,O'-bis(1,3-dimethylbutyl and 1-methylethyl) esters Phosphorodithioic acid, mixed O,O'-bis(1,3-dimethylbutyl and 1-methylethyl)esters Phosphorodithioic acid, mixed O,O-bis(1,3-dimethylbutyl and iso-Pr) esters Phosphorodithioic acid, mixed O,O-bis(1,3-dimethylbutyl and iso-Pr)esters