isoquinoline

noun

iso·quin·o·line | \ ˌī-sō-ˈkwin-ᵊl-ˌēn

\

Medical Definition of isoquinoline

: a low-melting nitrogenous base C₉H₇N that is associated with its isomer quinoline in coal tar and that is the parent structure in many alkaloids (as narcotine and papaverine)

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