1. T. A. Gudasheva, R. U. Ostrovskaya, S. S. Trofimov, et al.,Khim.-Farm. Zh.,19(11), 1322–1329 (1985).
2. T. A. Gudasheva, R. U. Ostrovskaya, F. V. Maksimova, et al.,Khim.-Farm. Zh.,17(3), 271–275 (1988).
3. T. A. Gudasheva, R. U. Ostrovskaya, and F. V. Maksimova,Khim-Farm. Zh.,23(3), 276–281 (1989).
4. M. Bergmann and L. Zerves,Ber. Dtsch. Chem. Ges.,65, 1192 (1932).
5. B. Bohus, W. H. Gispen, and D. DeWied,Neuroendocrinology,11, 137 (1973).