A broad-spectrum macrolide antibiotic C₃₇H₆₇NO₁₃ produced by an actinomycete Saccharopolyspora erythraea (formerly Streptomyces erythreus) and similar in its effects to penicillin, administered orally or topically in the treatment of infections caused by Gram-positive bacteria.
Any of a group of antibiotics; a sulfa drug
Any amide of a sulfonic acid RS(=O)₂NR'₂