Citram, Amiton hydrogen oxalate, Tetram, Amiton oxalate, Tetram monooxalate, Tetram 75, oxalic acid—S-[2-(diethylamino)ethyl] O,O-diethyl phosphorothioate, S-2-diethylaminoethyl O,O-diethyl phosphorothioate oxalate (1:1), Tetram,acid oxalate, 2-diethoxyphosphorylsulfanyl-N,N-diethylethanamine,oxalic acid, Chipman R-6,199, S-[2-(diethylamino)ethyl] O,O-diethyl phosphorothioate ethanedioate (1:1), Caswell No. 333E