Ward, Dale E.; Gai, Yuanzhu
Canadian Journal of Chemistry, 1997 , vol. 75, # 6 p. 681 - 693

Valderrama, Jaime A.; Araya-Maturana, Ramiro; Gonzalez, M. Florencia; Tapia, Ricardo; Farina, Francisco; Paredes, M. Carmen
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1991 , # 3 p. 555 - 559

Valderrama, Jaime A.; Araya-Maturana, Ramiro; Gonzalez, M. Florencia; Tapia, Ricardo; Farina, Francisco; Paredes, M. Carmen
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1991 , # 3 p. 555 - 559