ON SECONDARY PATENTING OF ORGANIC COMPOUNDS SUITABLE FOR USE AS ACTIVE PHARMACEUTICAL INGREDIENTS СтатьяGoizman 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