revealed an adduct ion [M + Na]+ consistent with the molecular formula C25H26O10. Comparison of the NMR (DMSO-d6) data for 1 (Table 1) with those for the previously reported 3
revealed an adduct ion [M + Na]+ consistent with the molecular formula C25H26O10.Comparison of the NMR (DMSO-d6) data for 1 (Table 1) with those for the previously reported 3