, mass spectrometry (HRESIMS, Tandem MS–MS), chemical
methods and by comparison with published data. Compounds 1 and 2 showed moderate cytotoxic
activity against MDA-MB 231 human breast adenocarcinoma cell line, HCT 116 human colon carcinoma
cell line, and A375 human malignant melanoma cell line, while compound 3 was not active. Compound 2
also showed a moderate antibacterial activity against the Gram-positive Enterococcus faecalis