NMR spectrum 第1页

A new quinolone alkaloid with antibacterial activity from Lappula echinata Chemical Structure and NMR of a New Saponin from Dipsacus japonicus (Dipsacaceae) Studies on structural features of two neutral heteropolysaccharides from Cuscuta chinensis Effect of Tween 80 on Yuxingcao injection and volatile oils from Houttuynia cordata