26190-34-1 Diethyl phosphoroisothiocyanatothionate NSC190398 Phosphor(isothiocyanatido)thioic acid, O,O-diethyl ester Phosphoro(thiocyanatidic) acid, thio-, diethyl ester Thiophosphoro(thiocyanatidic) acid diethyl ester WLN: SCNPS&O2&O2