isoquinoline
noun
iso·quin·o·line
ˌī-sō-ˈkwin-ᵊl-ˌēn 
: 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)
Cite this Entry
“Isoquinoline.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/isoquinoline. Accessed 13 Mar. 2025.
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