Fig. 1From: Characterization of secondary metabolite compounds correlated with the seasons in Artemisia princeps var. orientalis (Pamp.) H. Hara leaves using direct sample injection and gas chromatography–mass spectrometry: contribution to phytotoxicityTypical gas chromatography/mass spectrometry chromatograms of secondary metabolites detected by solvent-free solid injection from Artemisia princeps (a) blank, during May (b) and July (c)Back to article page