1. Shtamburg, V.G., Rudchenko, V.F., Pleshkova, A.P., Chervin, I.I., and Kostyanovskii, R.G., Izv. Akad. Nauk SSSR, Ser. Khim., 1980, no. 11, p. 2669.
2. Rudchenko, V.F., Shtamburg, V.G., Pleshkova, A.P., Nasibov, Sh.S., Chervin, I.I., and Kostyanovskii, R.G., Izv. Akad. Nauk SSSR, Ser. Khim., 1981, no. 11, p. 2539.
3. Zolotoi, A.B., D’yachenko, O.A., Chervin, I.I., Rudchenko, V.F., Atovmyan, L.O., and Kostyanovskii, R.G., Khim. Geterocycl. Comp., 1983, no. 10, p. 1341.
4. Rudchenko V.F., Shevchenko V.I., and Kostyanovskii, R.G., Russ. Chem. Bull., 1985, no. 7, p. 1543.
5. Rudchenko V.F., Shevchenko V.I., and Kostyanovskii, R.G., Russ. Chem. Bull., 1987, no. 7, p. 1436.