
1) Combination antibiotic
Found on
https://www.crosswordclues.com/clue/virginiamycin

Virginiamycin is a streptogramin antibiotic similar to pristinamycin and quinupristin/dalfopristin. It is a combination of pristinamycin IIA (virginiamycin M1) and virginiamycin S1. Virginiamycin is used in the fuel ethanol industry to prevent microbial contamination. It is also used in agriculture, specifically in livestock, to accelerate the gro...
Found on
http://en.wikipedia.org/wiki/Virginiamycin

<chemical> A cyclic polypeptide antibiotic complex from streptomyces virginiae, s. Loidensis, s. Mitakaensis, s. Pristina-spiralis, s. Ostreogriseus, and others. It consists of 2 major components, virginiamycin factor m1 and virginiamycin factor s1. It is used to treat infections with gram-positive organisms and as a growth promoter in cattle...
Found on
http://www.encyclo.co.uk/local/20973
No exact match found.