13104-29-5 BRN 1543474 ENT 25,865 Phosphorodithioic acid, O-ethyl O-methyl ester, S-ester with N-(mercaptomethyl)phthalimide R 5723A S-((1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl)methyl) O-ethyl O-methyl phosphorodithioate Stauffer R-5723-A