5alpha-androstan-1,3,17-trione + AH2 => 1-hydroxy-5alpha-androstan-3,17-dione + A
5alpha-androstan-1,3,17-trione + ah2 => 1-hydroxy-5alpha-androstan-3,17-dione + a
5alpha-androstan-1,3,17-trione + AH2 => 1-hydroxy-5alpha-androstan-3,17-dione + A
5alpha-androstan-1,3,17-trione + ah2 => 1-hydroxy-5alpha-androstan-3,17-dione + a