8,9-Dihydrocannabidiol
8,9-Dihydrocannabidiol (also known as H2CBD, DiHydroCBD, Delta-1-H2CBD, or Delta-1-DiHydroCBD) is a synthetic cannabinoid that is closely related to cannabidiol (CBD) itself. that was first synthesized by Alexander R. Todd in 1940 derived from the catalytic hydrogenation of cannabidiol.