Smith R N
J Chromatogr. 1975 Dec 10;115(1):101-6. doi: 10.1016/s0021-9673(00)89021-4.
Delta9-and-delta8-Tetrahydrocannabinol, delta9-tetrahydrocannabinolic acid, cannabidiol, cannabidolic acid, cannabinol, cannabinolic acid, cannabichromene and cannabichromenic acid were located in the liquid chromatogram of cannabis. Identifications were confirmed by gas chromatography-mass spectrometry.