Osmanthuside B
Ossamycin is a macrolide antibiotic. Ossamycin has anti-fungal effect, and it has weaker anti-Gram-positive bacterial effect. Ossamycin inhibits L cells, Epstein-Barr ascites cancer cells, KB cells, sarcoma-180 cells, L-1210 cells, HeLa cells in cell culture with IC50s (μg/mL) of 0.007, 0.008, 0.005, 0.008, 0.003, 0.005, respectively[1].