1. A. Kh. Avetisyan, T. R. Ovsepyan, I. A. Dzhagatspanyan, et al., Khim.-farm. Zh., 12(11), 40 – 46 (1978); Pharm. Chem. J. 12(11), 1435 – 1438 (1978).
2. A. Kh. Avetisyan, T. R. Ovsepyan, N. O. Stepanyan, et al., Khim.-farm. Zh., 15(6), 69 – 72 (1981); Pharm. Chem. J., 15(6), 416 – 418 (1981).
3. T. R. Ovsepayn, A. Kh. Avetisyan, S. M. Terdzhanyan, et al., Arm. Khim. Zh., 43(6), 399 – 405 (1990).
4. L. E. Nersesyan, A. S. Agaronyan, T. R. Ovsepyan, et al., in: Proceedings of the Scientific Conference of the Armenian Chemical Society “Progress in Organic and Pharmaceutical Chemistry [in Russian], Erevan (2012), pp. 54 – 55.
5. T. R. Ovsepyan, R. G. Melik-Ogandzhanyan, F. G. Arsenyan, et al., Khim.-farm. Zh., 43(12), 3 – 6 (2009); Pharm. Chem. J., 43(12), 645 – 648 (2009).