Bibliografisk träff 1976-04-01 Drugs derived from cannabinoids. 3. Sulfur analogs, thiopyranobenzopyrans and thienobenzopyrans. Razdan RK, Terris BZ, Handrick GR, Dalzell HC, Pars HG, Howes JF, Plotnikoff N, Dodge P, Dren A, Kyncl J, Shoer L, Thompson WR. J Med Chem · journal article · DOI 10.1021/jm00226a022