Cannabinoids are naturally occurring compounds found in the Cannabis sativa plant. Of over 480 different compounds present in the plant, only around 66 are termed cannabinoids. The most well known among these compounds is the delta-9-tetrahydrocannabinol (Δ9-THC) from google search.
New Cannabinoids being discovered follow the link after the image
https://blog.mcrlabs.com/new-compounds-to-look-out-for-in-cannabis
