参考文献
van de Kamp; Mosettig
Journal of the American Chemical Society, 1935 , vol. 57, p. 1107,1109
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Durland; Adkins
Journal of the American Chemical Society, 1937 , vol. 59, p. 135,136
Journal of the American Chemical Society, 1938 , vol. 60, p. 1501,1503