butylsulfanyl-diethoxy-sulfanylidene-λ⁵-phosphane

[(2S,3R)-1,4-二恶烷-2,3-二基]二(硫代)二(硫代膦酸O,O-二乙基)酯

ethyl 2-diethoxyphosphinothioylsulfanyl-3-oxobutanoate

1-[ethoxy(isothiocyanato)phosphoryl]oxyethane