neon chemical formula c21h30o2 cannabidiol cbd phytocannabinoid marijuana pot grass hemp cannabis molecule red color

neon chemical formula c21h30o2 cannabidiol cbd phytocannabinoid marijuana pot grass hemp cannabis molecule cannabinoid marihuana cannabinol cbn molecular structure chemistry medicine medical drug biochemistry compound science dronabinol tetrahydrocannabinol medicinal psychoactive ganja contour outline line red color vector illustration image thin isolated