68784-30-5 EINECS 272-236-4 Phosphorodithioic acid, O,O-(2-butyl, 4-methyl-2-pentyl) mixed esters Phosphorodithioic acid, mixed O,O-bis(sec-Bu and 1,3-dimethylbutyl) esters Phosphorodithioic acid, mixed O,O-bis(sec-Bu and 1,3-dimethylbutyl)esters