has part has part has_part has role nystatin A2 aminoglycoside antibiotic macrolide antibiotic polyol nystatin A3 dicarboxylic acid monoester nystatin A1 polyene mixture nystatin chebi_ontology CHEBI:7660 A heterogeneous mixture of polyene compounds produced by cultures of <em>Streptomyces noursei</em>. It mainly consists of three biologically active components designated nystatin A<small>₁</small>, nystatin A<small>₂</small>, and nystatin A<small>₃</small>. It is used to treat oral and dermal fungal infections. bacterial metabolite antibiotic antifungal drug