etiocholanediol etiocholanediol etiocholanediol (5β-androstanediol) may refer to: 3α-etiocholanediol (5β-androstane-3α,17β-diol; etiocholane-3α,17β-diol) – an endogenous intermediate to epiandrosterone 3β-etiocholanediol (5β-androstane-3β,17β-diol; etiocholane-3β,17β-diol) – an endogenous intermediate to epietiocholanolone