Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 14 references without a DOI — listed, not checked
no DOI — not checkedL. I. Budanova, M. M. Vigdorchik, A. S. Elina, et al., Khim. Farm. Zh., No. 1, 10–15 (1980).
no DOI — not checkedR. G. Gerr, A. I. Yanovskii, and Yu. T. Struchkov, Kristallografiya,28, No. 5, 1029 (1983).
no DOI — not checkedG. G. Dvoryantseva, K. P. Teten'chuk, V. I. Pol'shakov, and A. S. Elina, Khim. Farm. Zh., No. 7, 399–408 (1986).
no DOI — not checkedG. G. Dvoryantseva, Nitrogen-Containing Heterocycles [in Russian], Novosibirsk (1987), p. 73.
no DOI — not checkedA. S. Elina, L. G. Tsyrul'nikova, and O. Yu. Magidson, A. S. 207917 USSR; Otkrytiya, No. 3, (1986).
no DOI — not checkedA. S. Elina, L. G. Tsyrul'nikova, and G. P. Syrova, Khim. Geterotsikl. Soedin., No. 1, 149–153 (1969).
no DOI — not checkedA. S. Elina and E. N. Padeiskaya, All-Union Chemico-Pharmaceutical Scientific Research Institute: Collection of Works, No. 2, 197–209 (1971).
no DOI — not checkedA. S. Elina, L. G. Tsyrul'nikova, O. Yu. Magidson, and A. I. Fatneva, A. S. 178382 USSR; Otkrytiya, No. 39, (1973).
no DOI — not checkedV. M. Kazakova, O. G. Sokol, G. G. Dvoryantseva, et al., Khim. Geterotsikl. Soedin., No. 10, 1412–1416 (1985).
no DOI — not checkedE. N. Padeiskaya, Antibacterial Preparation [in Russian], Moscow (1984), pp. 6–23.
no DOI — not checkedK. P. Teten'chuk, G. G. Dvoryantseva, I. S. Musatova, and A. S. Elina, Khim. Farm. Zh., No. 5, 598–604 (1984).
no DOI — not checkedK. P. Teten'chuk, G. G. Dvoryantseva, I. S. Musatova, and A. S. Elina, Khim. Farm. Zh., No. 12, 1493–1499 (1984).
no DOI — not checkedK. P. Teten'chuk, G. G. Dvoryantseva, and A. S. Elina, New Development in the Chemistry of Azines [in Russian], Sverdlovsk (1985), p. 51.
no DOI — not checkedK. P. Teten'chuk, G. G. Dvoryantseva, and A. S. Elina, Khim. Farm. Zh., No. 7, 876–882 (1986).
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