nicotine molecule isolated white |
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| navigate by keyword : alkaloid atom atomic atoms background caffeine carbon chemical chemistry cigarette compound cut formula isolated medical medicine model molecular molecule niacin nicotine out people research science scientific smoke stimulant structure substance tobacco white |
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| Nicotine is a potent parasympathomimetic alkaloid found in the nightshade family of plants (Solanaceae) and a stimulant drug |
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