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Mass spectra (LC–ESI–MS) of 2″-O-galloyl hyperoside: (A) positive ESI-Quadrupole (Q1) mass spectra of 2″-O-galloyl hyperoside; (B) positive ESI-quadrupole (Q3) mass spectra of 2″-O-galloyl hyperoside; (C) negative ESI-quadrupole (Q1) mass spectra of 2″-O-galloyl hyperoside; (D) negative ESI-quadrupole (Q3) mass spectra of 2″-O-galloyl hyperoside.
