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Fig. 3 | BMC Chemistry

Fig. 3

From: Identification of C-glycosyl flavones by high performance liquid chromatography electrospray ionization mass spectrometry and quantification of five main C-glycosyl flavones in Flickingeria fimbriata

Fig. 3

CID MS2 spectra fragmentations of two pairs of isomeric C-glycosyl flavones, acylated with ρ-coumaroyl from the extracts of Flickingeria fimbriata in negative ionization mode: a Apigenin-8-C-(2″-O-ρ-coumaroyl)-β-d-glucoside(11), b Apigenin-6-C-(2″-O-ρ-coumaroyl)-β-d-glucoside (12), c Apigenin-6-C-(2″-O-ρ-coumaroyl)-β-d-glucoside-8-C-β-d-xyloside (13), and d Apigenin-6-C-α-l-arabinoside-8-C-(6″-O-ρ-coumaroyl)-β-d-glucoside (18)

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