NMR data of methylated products from <i>In vitro</i> evaluation of the effect of C-4 substitution on methylation of 7,8-dihydroxycoumarin: metabolic profile and catalytic kinetics

Chemical shift and spectra of 1H NMR and 13C NMR for 7-O- and 8-O-methyl conjugates of daphnetin, 4-MDPN, 4-PDPN and 4-ADPN.