The molecule is a 16-membered macrolide which exhibits strong and specific antimicrobial activities against rapid-growing Mycobacteria including drug-resistant strains. It is isolated from the culture broth of Nocardia sp.MK703-102F1 It has a role as a metabolite, an antimicrobial agent and an antitubercular agent. It is a macrolide, a monocarboxylic acid and a secondary alcohol.
(1S,2E,4E,6S,7R,8Z,13R,16R,17S,20S,21R,22R)-7,21-dihydroxy-6,13,16,20,24-pentamethyl-15-oxo-14-oxatricyclo[14.8.0.017,22]tetracosa-2,4,8,23-tetraene-8-carboxylic acid