... Name: Meletin, Sophretin.Chem. Name: 4H-1-Benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-M.F. & M ... taste in ethanol; UV(EtOH, max) nm(log): 258(2.75), 375(2.75)[1] 13CNMR(DMSO-d6): 146.9(C2), 135.8 ... (C3), 175.9(C4), 156.2(C5), 98.3(C6), ... C3'), 147.7(C4'), 115.7(C5'), 120.1(C6') [2,3]Plant Source: Quercus iberica, skin and leaves[4]; Dysosma ...