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:
BenzoylmethylenetriphenylphosphoranefromxtalDballs. Ballandstick model of the benzoylmethylenetriphenylphosphorane molecule Kalyanasundari Panchanatheswaran Parthasarathi Robinson and Wen Image generated in html Accelrys DS Visualizer Own Ben Mills Benjahbmm Images by Ben Mills Ballandstick models Phosphorus ylides