参考文献

Sen; Ghosh Journal of the Indian Chemical Society, 1927 , vol. 4, p. 484 Chem. Zentralbl., 1928 , vol. 99, # I p. 511 Show Details Sen; Bose Journal of the Indian Chemical Society, 1927 , vol. 4, p. 62 Chem. Zentralbl., 1927 , vol. 98, # II p. 435