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nicotinoyl

noun
nic·​o·​ti·​no·​yl | \ˌnikəˈtēnəwə̇l, -tin-\
variants: or nicotinyl \-​tēnᵊl \
plural -s

Definition of nicotinoyl 

: the radical NC5H4CO− of nicotinic acid

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History and Etymology for nicotinoyl

nicotin- + -yl

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