Methyl nicotinate is the methyl ester of that is used as an active ingredient as a rubefacient in over-the-counter topical preparations indicated for muscle and joint pain.?The action of methyl nicotinate as a rubefacient is thought to involve peripheral vasodilation.

N-(4-methoxyphenyl)prop-2-enamide is a compound used as a molecular building block.

Biotin Hydrazide is a carbonyl-reactive biotinylation reagent.