mupirocin

noun

mu·​pir·​o·​cin myü-ˈpir-ō-sən  -ˈpir-ə- 

: an antibacterial drug C₂₆H₄₄O₉ or its hydrated calcium salt (C₂₆H₄₃O₉)2Ca·2H₂O that is used in the topical treatment of impetigo caused by bacteria of the genera Streptococcus (S. pyogenes) and Staphylococcus (S. aureus)

Note: Mupirocin is derived from a bacterium of the genus Pseudomonas (P. fluorescens) and is marketed under the trademarks Bactroban and Centany.