参考文献:
Varma Sreenivasmurthyachar Journal of the Indian Chemical Society, 936 , vol. 3, p. 87 Full Text Show Details Mascarelli Longo Gazzetta Chimica Italiana, 94 , vol. 7, p. 97,99 Full Text Show Details Varma Raman Journal of the Indian Chemical Society, 935 , vol. , p. 343