Is L-Lysine, (4E,6E)-2,4,6-octatrienoate vegan?

Thurfyl Nicotinate is also known as L-Lysine, (4E,6E)-2,4,6-octatrienoate.

Thurfyl Nicotinate is a synthetic heterocyclic ester of nicotinic acid, used as a rubefacient in topical cosmetic and pharmaceutical products to promote localized blood circulation.

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