SECONDARY PATENTING OF ORGANIC COMPOUNDS SUITABLE FOR USE AS ACTIVE PHARMACEUTICAL SUBSTANCES 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.Khimiko-Farmatsevticheskii Zhurnal. Том 53. 2019. С. 57-64