streptonigrin

strep·to·ni·grin

noun

A highly toxic antibiotic, C₂₅H₂₂N₄O₈, produced by an actinomycete (Streptomyces flocculus) and active against various types of tumors.

Origin: strepto- + Latin niger, nigr-, black; see nek^w-t- in Indo-European roots + -in.

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