Ten new A h J h THC analogs with arylalkyl side chains, one with a dimethylaminoalkyl side chain, and six heterocyclic AGaJoa-THC analogs [8-substituted 5, 5-dimethyl-l0-hydroxy-2- (2-propynyl)-l, 2, 3, 4-tetrahydro-5~-[l] benzopyrano [4, 3-~] pyridines] were prepared. They showed pharmacological activity as analgesics, tranquilizers, antihypertensives, and hypnotics and as antisecretory, antiulcer, and antidiarrheal agents. The most potent ...