参考文献:
Iwasawa, Nobuharu Hayakawa, Satoshi Funahashi, Masahiro Isobe, Koichi Narasaka, Koichi Bulletin of the Chemical Society of Japan, 1993 , vol. 66, # 3 p. 819 - 827
参考文献:
Talekar, D. G. Joshi, P. L. Ramaiah, P. Rao, A. S. Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1986 , vol. 25, p. 145 - 151