title: Steroids and related studies. 18. 3-Aza-A-homo-4-eno(3,4-d)-tetrazole steroid analogues.
mesh_terms: D000731:Androstanes / Q000138:chemical synthesis; D001393:Azoles / Q000138:chemical synthesis*; D055598:Chemical Phenomena; D002621:Chemistry; D013057:Spectrum Analysis; D013150:Spirostans / Q000138:chemical synthesis*; D014466:Ultraviolet Rays
chemical_list: D000731:Androstanes; D001393:Azoles; D013150:Spirostans