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LC-ESIMS analysis of butanolic fraction (BF) from of C. brasiliense leaves. (a) Chromatogram of BF in methanol/water solution (70 : 30, v/v) with 1 mM ammonium formate. (b) Mass spectra extracted in t R = 3.5 min of chromatogram of BF. (c) Mass spectra extracted in t R = 23.4 min of chromatogram of BF.
