17α-Hydroxy-16α-methyl-21-[4-(2-pyridinyl)-1-piperazinyl]-5α-pregn-9(11)-ene-3,20-dione C??? ??, ??, ??

17α-Hydroxy-16α-methyl-21-[4-(2-pyridinyl)-1-piperazinyl]-5α-pregn-9(11)-ene-3,20-dione ?? ?? ? ???

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17α-Hydroxy-16α-methyl-21-[4-(2-pyridinyl)-1-piperazinyl]-5α-pregn-9(11)-ene-3,20-dione ?? ??