CYCLODODECANE 294-62-2 46133-53-3 InChI=1/C12H24/c1-2-4-6-8-10-12-11-9-7-5-3-1/h1-12H ST5409768 4-05-00-00169 (Beilstein Handbook Reference) BRN 1901008 EINECS 206-033-9 HSDB 5557