Figure 4
From: Synthesis and pharmacological activity of the epimers of hexahydrocannabinol (HHC)

HPLC–UV chromatogram of a cannabinoid standard mixture. HPLC–UV chromatogram of a standard mixture containing ten phytocannabinoids (CBDA, CBGA, CBG, CBD, CBN, Δ9-THC, Δ8-THC, CBC, THCA, and CBCA) and the two HHC epimers at the concentration of 10 µg/mL.