benzophenanthridine

English

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Etymology

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From benzo- +‎ phenanthridine.

Noun

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benzophenanthridine (countable and uncountable, plural benzophenanthridines)

  1. (organic chemistry) A tetracyclic aromatic heterocycle composed of a benzene ring fused with a phenanthridine residue
  2. (organic chemistry) Any of a large class of alkaloids based on this structure