Suerbaev, K., Shalmalambetov, K., Abyzbekova, G., & Zhaksylykova, G. (2012). Synthesize of biological active substances on base carbom oxides. Chemical Bulletin of Kazakh National University, 65(1), 393-395. https://doi.org/https://doi.org/10.15328/chemb_2012_1393-395