Fig. 1

Chemical structures of compounds isolated from D. senegambiensis (1–6) and A. monticola (3, 4, 7–14). 1: β-amyrin palmitate; 2: α-amyrin acetate; 3: ursolic acid; 4: sitosterol 3-O-β-D-glucopyranoside; 5: vitexin; 6: trans-tilliroside; 7: 3,4′-di-O-methylellagic acid; 8: dimethyl 4,4′,5,5′,6,6′-hexahydroxybiphenyl-2,2′-dicarboxylate; 9: lupeol; 10: ellagic acid; 11: 3-hydroxy-4,5-dimethoxybenzoic acid; 12: 3-O-methylellagic acid 4′-O-β-D-xylopyranoside; 13: oleanolic acid; 14: amphiblemmone A