SYNTHESIS OF 2-AMINOCHROMENE DERIVATIVES FROM 1-(2-IMINO-2H-CHROMEN-3-YL)PYRIDIN-1-IUM PERCHLORATES AND NITROMETHANE IN BASIC MEDIUM ArticleStorozhenko O.А., Yue X., Festa A.А., Varlamov A.А., Voskressensky L.G.Chemistry of Heterocyclic Compounds. Vol. 56. 2020. P.. 1161-1166
