Dimethyl chlorothiophosphate2524-03-0100 % similar O,O-Diethyl phosphorochloridothioate2524-04-143 % similar O,O-Dimethyl phosphoramidothioate17321-47-036 % similar Methyl dichlorophosphate677-24-736 % similar Dimethyl dithiophosphoric acid756-80-936 % similar