sulfapyridine

noun
sul·fa·pyr·i·dine
variants: or chiefly British sulphapyridine \ˌsəl-fə-ˈpir-ə-ˌdēn \

Medical Definition of sulfapyridine 

: a sulfa drug C11H11N3O2S that is derived from pyridine and sulfanilamide and is used in small doses in the treatment of dermatitis herpetiformis and especially formerly against pneumococcal and gonococcal infections

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