4-Pregnen-17alpha,20beta-diol-3-one

4-pregnen-17,20-beta-diol-3-one ; 17α,20β-4-pregnen-3-one ; mih ; 17a-hydroxy-20b-dihydroprogesterone ; 17α,20β-dihydroxy-4-pregnen-3-one ; 17,20b-dihydroxyprogesterone ; pregn-4-en-3-one,17,20b-dihydroxy- (7ci,8ci) ; 4-pregnene-17a,20b-diol-3-one ; pregn-4-en-3-one,17,20-dihydroxy-, (20r)- ; 17,20b-dihydroxypregn-4-en-3-one ; 17,20b-dhp ; maturation-inducing hormone ; 4-pregnen-17α,20β-diol-3-one ; 4-pregnen-17a,20b-diol-3-one ; 17a, 20-dihydroxy-4-pregnen-3-one ; 17a,20b-dihydroxy-4-pregnen-3-one ; 17α,20β-dihydroxyprogesterone ; 17a,20b-dihydroxyprogesterone ; mis (salmonid)