3d image of aviculin skeletal formula

aviculin lignan pseudocydonia sinensis polygonum aviculare polyphenol precursors phytoestrogen antifeedant herbivore polymer monolignol rendering phytohormones hormone phytotherapy alkaloid plant structure flavonoid natural herb parasympathomimetic pharmacognosy cytokinesis growth bioactive herbalism biology molecule pharmacopoeia formula skeletal rooting growth regulator auxin geometry biochemistry stick phytochemical atom cell biomolecule structural molecular