参考文献
Froning; Hennion
Journal of the American Chemical Society, 1940 , vol. 62, p. 654
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Nasarow
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1940 , p. 195
Chem.Abstr., 1942 , p. 743
Chem. Zentralbl., 1942 , vol. 113, # I p. 739