參考文獻:
Lu, Yucheng Barth, Guenther Kieslich, Klaus Strong, Phyllis D. Duax, William L. Djerassi, Carl Journal of Organic Chemistry, 1983 , vol. 48, # 24 p. 4549 - 4554
參考文獻:
Laverde Jr., Antonio Da Conceicao, Gelson J. A. Queiroz, Sonia C. N. Fujiwara, Fred Y. Marsaioli, Anita J. Magnetic Resonance in Chemistry, 2002 , vol. 40, # 7 p. 433 - 442