Antibacterial Activity of Chalcone and Dihydrochalcone Compounds from Uvaria chamae Roots against Multidrug-Resistant Bacteria

Figure 4

CID fragmentation mass spectra of identified Diuvaretin Uvaretin and Uvangoletin dihydrochalcone structures. Parent peaks and matched predicted structure fragments are labelled. Hydrobenzyl losses (- 107 m/z) are marked.