INTRAMOLECULAR CYCLIZATION OF 3-(2-CARBOXYPHENYL)- AND 3-(2-CARBOXYBENZYL) ISOCOUMARINE: UDC 547.814.5. (2013). Bulletin of the Taras Shevchenko National University of Kyiv. Chemistry, 49(1), 64-66. https://chemistry.bulletin.knu.ua/article/view/8474