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(A) Representation of determined DTCCSN2 value versus m/z of all identity‐confirmed anthocyanins for positive and negative ions. [M]+ ions are shown as diamonds and [M‐2H]– ions as crosses. (B) Representation of determined DTCCSN2 values for negative ion versus DTCCSN2 values for positive ion for all identity‐confirmed anthocyanins.
