An antibiotic active against a broad spectrum of microorganisms in vitro including P. acnes (MIC = 0.86 μg/ml), B. subtilis (MIC Enterobacter sp. (MIC = 64 μg/ml), Trichophyton sp. (MIC = 17.5 μg/ml), and Microsporum sp. (MIC = 17.5 μg/ml); effective in mice against P. berghei, a protozoan parasite that causes malaria in certain rodents