caffeine structural chemical formula
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caffeine structural chemical formula |
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| navigate by keyword : alkaloid atomic atoms background black caffeinated caffeine chemical chemistry coffee composition compound decaffeinating dependence design drawing drink drinks drug energy formula guarana hydrogen illustration intoxication laboratory line medicine methylxanthine molecular molecule nitrogen oxygen psychoactive receptor research science stimulant structure symbol tea technology theine wakefulness xanthine |
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| Caffeine Structural chemical formula white on black background |
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Stockphotos.ro (c) 2026. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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