137830-19-4 2-(3,4-Dihydroxyphenyl)-5-hydroxy-3-((2-O-beta-D-mannopyranosyl-beta-D-allopyranosyl)oxy)-7-methoxy-4H-1-benzopyran-4-one 4H-1-Benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-5-hydroxy-3-((2-O-beta-D-mannopyranosyl-beta-D-allopyranosyl)oxy)-7-methoxy- RH-Mpap Rhamnetin-3-O-(2''-O-mannopyranosyl)allopyranoside