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. Author manuscript; available in PMC: 2021 Jan 30.
Published in final edited form as: J Pharm Biomed Anal. 2019 Sep 30;178:112884. doi: 10.1016/j.jpba.2019.112884

Figure 1.

Figure 1.

Glucose reacts with 1-phenyl-3-methyl-5-pyrazolone in mild alkaline conditions, forms glucose-PMP derivative. This derivative can be detected in negative mode at m/z 510.2.