Caffeine molecular structure. Caffeine is central nervous system stimulant used as cognitive enhancer, increasing alertness and attentional performance. .Vector structural formula of chemical compound. Black pen Hand-drawn style.


Caffeine molecular structure. Caffeine is central nervous system stimulant used as cognitive enhancer, increasing alertness and attentional performance. .Vector structural formula of chemical compound. Black pen Hand-drawn style.


Size: 5000px × 5000px
Location: Czech Republic
Photo credit: © pytyczech / Alamy / Afripics
License: Royalty Free
Model Released: No

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