922-86-1 BAY 47073 BRN 2217985 Bayer 47043 Chipman RP-13378 ENT 25,827 O,O-Dimethyl S-(2-(methylamino)-1-(methylamino)carbonyl)-2-oxoethylphosphorodithioate Phosphorodithioic acid, O,O-dimethyl ester, S-ester with 2-mercapto-N,N'-dimethylmalonamide