3772-51-8 BRN 1890421 CP 13206 ENT 24,954 Monsanto CP-13206 Phosphorodithioic acid, O,O,O',O'-tetraethyl 2,2'-thiodimethylene ester (6CI) Phosphorodithioic acid, O,O-diethyl ester, S,S-diester with thiodimethanethiol Phosphorodithioic acid, S,S'-(thiobis(methylene)) O,O,O',O'-tetraethyl ester (9CI)