ÃÂ<sup>6</sup>-Cannabidiol (Delta-6-CBD, âÂÂ<sup>6</sup>-CBD, sometimes alternatively numbered as âÂÂ<sup>3</sup>-CBD) is a positional isomer of cannabidiol, found in only trace amounts in natural cannabis plants but readily synthesised from cannabidiol by base-catalysed migration of the double bond.