^Saunders, B. C.; Stacey, G. J. (1949). "196. Toxic fluorine compounds containing the C–F link. Part IV. (a) 2-Fluoroethyl fluoroacetate and allied compounds. (b) 2 : 2′-Difluorodiethyl ethylene dithioglycol ether". J. Chem. Soc.: 916–919. doi:10.1039/JR9490000916.