Δ9-cis-Tetrahydrocannabinol: Natural Occurrence, Chirality, and Pharmacology Posted on September 7, 2021September 22, 2022 By Becky Carter Michael A. Schafroth, Giulia Mazzoccanti, et al J. Nat. Prod.; epub 2021 Download the article Cannabis and Cannabinoids, Chemistry, Toxicology