of the 5 beta-reduced metabolites , 17 alpha , 20 beta-dihydroxy-5 beta-pregnan-3-one was almost as effective as 17 alpha , 20 beta-diohprog in oocytes of amago salmon and rainbow trout , while the other 5 beta-reduced compounds ( 3 alpha-hydroxy-5 beta-pregnan-20-one , 17 alpha-hydroxy-5 beta-pregnane-3,20-dione , 3 alpha , 17 alpha-dihydroxy-5 beta-pregnan-20-one , 5 beta-pregnane-3 alpha , 17 alpha , 20 beta-triol , and 5 beta-pregnane-3 beta , 17 alpha , 20 beta-triol ) were almost or totally ineffective at the concentrations tested ( 1-0.001 micrograms/ml ) .
C0033008
3 alpha-hydroxy-5 beta-pregnan-20-one
C0033006
pregnane