label,smiles Catechol-like phenolic antioxidant,Oc1ccc(O)c(O)c1 Methoxy phenolic aromatic,COc1cc(O)ccc1O Flavonoid-like scaffold,O=c1cc(-c2ccc(O)c(O)c2)oc2cc(O)cc(O)c12 Hydrophobic aromatic ether,CCCCOc1ccc(OC)cc1