Research Article

Antirheumatoid Arthritis Activities and Chemical Compositions of Phenolic Compounds-Rich Fraction from Urtica atrichocaulis, an Endemic Plant to China

Figure 2

The chemical structures of 18 compounds isolated from TFUA. 1: bis (5-formylfurfuryl) ether; 2: scopoletin; 3: (–) olivil; 4: (–) secoisolariciresinol; 5: (–) matairesinol; 6: ferulic acid; 7: p-coumaric acid; 8: caffeic acid; 9: protocatechuic aldehyde; 10: salicylic acid; 11: luteolin; 12: quercetin; 13: gossypetin; 14: kaempferol-3-O-rutinoside; 15: rutin; 16: kaempferol 3, 7-di-O-rhamnopyranoside; 17: phaselic acid; 18: chlorogenic acid.
818230.fig.002