The molecule is a tricarboxylic acid trianion that is the tricarboxylate anion of luteolin 7-O-[(beta-D-glucosyluronic acid)-(1->2)-(beta-D-glucosiduronic acid)] 4'-O-beta-D-glucosiduronic acid; major species at pH 7.3. It is a tricarboxylic acid trianion and a carbohydrate acid derivative anion. It is a conjugate base of a luteolin 7-O-[(beta-D-glucosyluronic acid)-(1->2)-(beta-D-glucosiduronic acid)] 4'-O-beta-D-glucosiduronic acid. It is a conjugate acid of a luteolin 7-O-[(beta-D-glucosyluronate)-(1->2)-(beta-D-glucosiduronate)] 4'-O-beta-D-glucosiduronate(4-).
(2S,3S,4S,5R,6R)-6-[(2S,3R,4S,5S,6S)-6-carboxylato-2-[2-[4-[(2S,3R,4S,5S,6S)-6-carboxylato-3,4,5-trihydroxyoxan-2-yl]oxy-3-hydroxyphenyl]-5-hydroxy-4-oxochromen-7-yl]oxy-4,5-dihydroxyoxan-3-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylate