Luteolin 4′-O-glucoside6920-38-330 % similar Phenylhydroquinone1079-21-630 % similar Gossypetin489-35-030 % similar 2,3-Dimethoxyphenol5150-42-530 % similar Scutellarein529-53-330 % similar 2-Methoxybenzene-1,4-diol824-46-430 % similar