“THE SYNTHESIS OF SOME N-CONTAIN DERIVATIVES OF HETEROCYCLES ON THE BASE OF KETOESTHERS”. Proceedings of the YSU B: Chemical and Biological Sciences 36, no. 1 (197) (March 20, 2002): 67–72. Accessed January 21, 2026. https://journals.ysu.am/index.php/proceedings-chem-biol/article/view/vol36_no1_2002_pp067-072.