1. V. F. Anufriev, A. Ya. Chizhova, V. A. Denisenko, V. L. Novikov, Zh. Org. Khim., 1993, 29, 2008 [Russ. J. Org. Chem., 1993, 29, 2008 (Engl. Transl.)].
2. A. Ya. Chizhova, V. F. Anufriev, V. L. Novikov, Zh. Org. Khim., 1995, 31, 237 [Russ. J. Org. Chem., 1995, 31, 237 (Engl. Transl.)].
3. A. Ya. Tchizhova, V. Ph. Anufriev, V. A. Denisenko, V. L. Novikov, J. Nat. Prod., 1995, 11, 1772.
4. G. L. Bennett, L. J. Harrison, M.-Sh. Lim, K.-Y. Sim, E.-Ch. Tan, J. D. Connolly, Phytochem., 1991, 30, 3141.
5. A. Ya. Tchizhova, V. Ph. Anufriev, V. L. Novikov, in Recent Discoveries in Natural Product Chemistry, Elite Publishers: Karachi, 1995, 101.