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nicotine not derived from tobacco
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nicotine not derived from tobacco, non tobacco derived nicotine, nicotine derived from tobacco, does nicotine only come from tobacco, is tobacco related to nicotine, is tobacco in nicotine, is tobacco made from nicotine, is nicotine a form of tobacco, is nicotine naturally in tobacco, is nicotine naturally occurring in tobacco, does tobacco naturally contain nicotine, is nicotine a natural part of tobacco
