Eu(fod)3 EFFECT ON 1H NMR SPECTRA OF 3-ARYLISOCOUMARINS AND 3-ARYL-3,4-DIHYDROISOCOUMARINS WITH ALKOXY, ESTER AND AMIDE GROUPS: UDC 543.429.23, 547.814.5. Вісник: Хімія 2018, 54 (2), 74-80.