- A new and known cytotoxic aryltetralin-type lignans from stems of Bursera graveolens. Nakanishi, T., Inatomi, Y., Murata, H., Shigeta, K., Iida, N., Inada, A., Murata, J., Farrera, M.A., Iinuma, M., Tanaka, T., Tajima, S., Oku, N. Chem. Pharm. Bull. (2005)