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HPLC-UV spectra of ethanolic extracts of Agave lechuguilla by-product harvested from: (A) Matehuala, (B) Cosme, and (C) Tuxtepec, and lyophilized. Compound structure, name, and MS data were added using ChemDraw Professional (version 15.0) based on the result of Workstation Star Toolbar spectra analyses (Table 1 and Table 2) and analytical standards curve.
