Roxithromycin is a semi-synthetic macrolide antibiotic used to treat respiratory tract, urinary and soft tissue infections. It is a derivative of erythromycin - comprising the same 14-membered lactone ring - with an oxime-based side chain attached to the macrolide ring.
The compounds of every Wikipedia article carrying a Chembox or a Drugbox, refreshed daily, with the values their infoboxes give. The pages need JavaScript; the API does not.