Synonyms: Phosphorodithioic acid, mixed O,O'-bis(1,3-dimethylbutyl and 1-methyl) esters, zinc salts;Phosphorodithioic acid, mixed O,O'-bis(1,3-dimethylbutyl and 1-methylethyl) esters, zinc salts;zinc bis[O-(1,3-dimethylbutyl) O-(1-methylethyl) dithiophosphate]