Very trickybut no, it is not.
The chemical nomenclature for ATD is:
1,4,6-androstatriene-3,17-dione
Explanation of the name:
1,4,6-triene = three double bonds at carbons 1, 4, and 6
androstane backbone = standard 19-carbon steroid structure
3,17-dione = ketone groups (C=O) at carbon 3 and...