Arizonin B1, a microbial metabolite, is an antibiotic with anti-Gram-positive bacterial activities[1].
References
[1] Karwowski JP, et al. Arizonins, a new complex of antibiotics related to kalafungin. I. Taxonomy of the producing culture, fermentation and biological activity. J Antibiot (Tokyo). 1988 Sep;41(9):1205-11. DOI:10.7164/antibiotics.41.1205
