Wright, Amy E.; Roth, Gregory P.; Hoffman, Jennifer K.; Divlianska, Daniela B.; Pechter, Diana; Sennett, Susan H.; Guzman, Esther A.; Linley, Patricia; McCarthy, Peter J.; Pitts, Tara P.; Pomponi, Shirley A.; Reed, John K.
Journal of Natural Products, 2009 , vol. 72, # 6 p. 1178 - 1183

Fujii, Tozo; Saito, Tohru; Nakasaka, Tsuyoshi
Journal of the Chemical Society, Chemical Communications, 1980 , # 16 p. 758 - 759