article 6 unclassified drug 2',3',4',5',6' pentahydroxychalcone 4 3,5,6,7,8 pentahydroxy 4' methoxyflavone 4 Chalcone 4 Flavones 4 Flavonoids 4 Magnetic Resonance Spectroscopy 4 Molecular Structure 4 Plant Roots 4 Plant Shoots 4 Roots 4 Shoots 4 flavonoid 4 plant root 4 2 amino 9 [4 hydroxy 5 (hydroxymethyl) 6 oxabicyclo[3.1.0]hex 2 yl]hydropurin 6 one 2 2′,3′, 4′,5′,6′-Pentahydroxy chalcone 2 2′-deoxyneplanocin C 2 3,4' dimethoxykaempferol 2 3,5,6,7,8 pentahydroxyflavone 2 3,5,6,7,8-Pentahydroxy flavone 2 3,5,6,7,8-Pentahydroxy-4′-methoxy flavone 2 3,7 dihydroxy 2 (4 methoxyphenyl) 4h 1 benzopyran 4 one 2 3,7-Dihydroxy-4 ′-methoxyflavone 2 4 (6 aminopurin 9 yl) 1 (hydroxymethyl) 6 oxabicyclo[3.1.0]hexan 2 ol 2 4',5,6,7,8 pentahydroxyflavone 2 4′,5,6,7,8-Pentahydroxy-3- methoxyflavone 2 5,6,7,8 tetrahydroxy 2 (4 hydroxyphenyl) 3 methoxy 4h 1 benzopyran 4 one 2 5,6,7,8 tetrahydroxy 2 (4 methoxyphenyl) 4h 1 benzopyran 4 one 2 5,6,7,8 tetrahydroxy 3 methoxy 2 phenyl 4h 1 benzopyran 4 one 2