ON SECONDARY PATENTING OF ORGANIC COMPOUNDS SUITABLE FOR USE AS ACTIVE PHARMACEUTICAL INGREDIENTS ArticleGoizman M.S., Shimanovskii N.L., Zotova O.A., Ryzhkov I.O., Popova A.O., Chernobrovkin M.G., Korlyukov A.A., Suponitskii K.Y., Sinel’Nikov A.V.Pharmaceutical Chemistry Journal. Том 53. 2019. С. 876-882