They actually are different the first is the compound in Promagnon 25, which is closer to clostebol. The later is the Halo compound, which is closer to turnibol.
Now you can search to see what the difference is because they ARE slightly different.
4-chloro-17-a-methyl-andro-4-ene-3, 17bdiol and 4-chloro-17-a-methyl-andro1-4-diene-3, 17bdiol