1. I. V. Ukrainets, L. A. Grinevich, A. A. Tkach, O. V. Benz, and S. V. Slobodzyan, Khim. Geterotsikl. Soedin., 1324 (2009). [Chem. Heterocycl. Comp., 45, 1058 (2009)].
2. I. V. Ukrainets, Liu Yangyang, A. A. Tkach, and A. V. Turov, Khim. Geterotsikl. Soedin., 1015 (2009). [Chem. Heterocycl. Comp., 45, 802 (2009)].
3. I. V. Ukrainets, L. V. Sidorenko, O. V. Gorokhova, S. V. Shishkina, and A. V. Turov, Khim. Geterotsikl. Soedin., 736 (2007). [Chem. Heterocycl. Comp., 43, 617 (2007)].
4. I. V. Ukrainets, N, L. Bereznyakova, O. V. Gorokhova, A. V. Turov, and S. V. Shishkina, Khim. Geterotsikl. Soedin., 1180 (2007). [Chem. Heterocycl. Comp., 43, 1001 (2007)].
5. I. V. Ukrainets, N, L. Bereznyakova, A. V. Turov, and S. V. Slobodyan, Khim. Geterotsikl. Soedin., 1365 (2007). [Chem. Heterocycl. Comp., 43, 1159 (2007)].