Haoyue Xu

1 Introduction Head and neck squamous cell carcinoma (HNSCC) is a prevalent malignant neoplasm globally, accounting for 90% of head and neck malignancies and carrying a significant burden of incidence and mortality (Jiang et al. 2014; Yang et al. 2022).

Conflicts of Interest The authors declare no conflicts of interest. Data Availability Statement Data will be made available on request. Supporting Information Filename Description aoc70510-sup-0001-Supplementary_material.docxWord 2007 document , 177.7 KB Figure S1: Mass spectra of by-products. Table S1: Proposed structure of the degradation products of MNZ.

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