English to Russian Tech/Engineering Chemistry; Chem Sci/Eng Хроматография

1H Nuclear magnetic resonance (NMR) spectroscopy was carried out using one of the following instruments: a Bruker Avance 400 instrument equipped with probe DUAL 400MHz S1, a Bruker Avance 400 instrument equipped with probe 6 S1 400 MHz 5mm 1H-13C ID, a Bruker Avance III 400 instrument with nanobay equipped with probe Broadband BBFO 5 mm ***direct***, a 400 MHz Agilent Direct Drive instrument with ID AUTO-X PFG probe, all operating at 400 MHz, or an Agilent VNMRS500 Direct Drive instrument equipped with a 5 mm Triple Resonance 1H{13C/15N} cryoprobe operating at 500 MHz