Total peptide impurities (t R 3.4-18.8 min) showed a slight decrease with the increase in pH at t=0, but did not exhibit a clear trend at t=6.7 days (Table 1 ), so they were divided according to the three groups of the previous study (Section 3.1.2) for meticulous analysis.
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Oxidant and Antioxidant Effects of Gentisic Acid in a <sup>177</sup>Lu-Labelled Methionine-Containing Minigastrin Analogue.
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