3,2-c]pyrazole-5alpha-etioallocholane-17beta-tetrahydropyranol that is prostanzol formula the one they are after
here is katanadrol formula 5a-androstanol[2,3]furazan-17b-tetrahydropyranol
as you can see its diff and from what i read in the DEA notice they are after the top one not Katanadrol.