This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Xanthine spacefill. Spacefilling model of the Xanthine molecule nucleobase and the parent compound for number of stimulants including caffeine Colourcode Carbon black FFF Hydrogen white FEE Oxygen red CFA Nitrogen blue own DS Visualizer Jynto talk Ballandstick version cczero Xanthine Images by Jynto