azaserine

noun
aza·​se·​rine | \ ˌaz-ə-ˈser-ˌēn, -ˈsi(ə)r-, -ən How to pronounce azaserine (audio) \

Medical Definition of azaserine

: an antibiotic C5H7N3O4 that has been used to inhibit the growth of some tumors without significant clinical success

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