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Fig. 7 | BMC Complementary and Alternative Medicine

Fig. 7

From: Antioxidant and Cytoprotective effects of Pyrola decorata H. Andres and its five phenolic components

Fig. 7

Proposed RAF products with MS elucidations of protocatechuic acid (a) and 2″-O-galloylhyperin (b) after mixed with 4-methoxy-TEMPO. (The MS spectra were in the negative ion model, and the charge imposed by the MS field was not marked. Other linking sites between two phenolic moieties should not be excluded. Other reasonable cleavages should not be excluded in the MS elucidation)

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