From Wikipedia:
bio-active cannabidiol (CBD), Cannabinol (CBN), and delta-9-tetrahydrocannabinol (THC) do not vaporize until near their respective flash points: CBD 206.3 C[6], CBN 212.7 C[7], THC 149.3 C[8]
CBD's and CBN's are very important for an enjoyable high, many argue they are MOST...