白桦脂醇
{{Chembox | Watchedfields = changed | verifiedrevid = 441829253 | NameEn = Betulin | ImageFile = Betulin.svg | ImageName = Betulin | IUPACName = Lup-20(29)-ene-3β,28-diol | SystematicName = (1R,2R,5S,8R,9R,10R,13R,14R,17…
标签：#桦树皮
共 1 篇文章