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(2A) Scores plot of the 25 extracts. (2B) Scores plot of 21 extracts after removal of outlying samples MS.REE. 3, 6, 13, and 22. (2C) Scores plot after removal of the outlying inactive isolates MS.REE. 3 and 6. (2D) Corresponding loadings plot of ion peaks in m/z highlighting the significant metabolites of the outlying bioactive isolates MS.REE. 13 and 22.
