TABLE 1 

Constituents of conjugated equine estrogens

CEEConstituent
EstrogensEstrone sulfate
Equilinsulfate
17α-Dihydroequilinsulfate
17α-Estradiolsulfate
17β-Dihydroequilinsulfate
17α-Dihydroequileninsulfate
17β-Hydroequileninsulfate
Equileninsulfate
17β-Estradiolsulfate
Δ8,9-Dehydroestronsulfate
Progestins5α-Pregnane-3β, 20β-diol
5α-Pregnane-3β, 16α, 20β-triol
5α-Preg-16-en-3β-ol-20-one
5α-Pregnane-3β-ol-20-one
4-pregene-20-ol-3-one-sulfate
3β-Hydroxy-5(10), 7-estradiene 17-one-3-sulfate
Androgens5α-Androstane-3β, 17α-diol
5α-Androstane-3β, 16η-diol
5α-Androstane-3β, 16α-diol
5α-Androstane-3β-ol, 16-one
Other substances5,7,9 (10) Estratriene-3β, 17β-diol
17α-Dihydro-delta 8,9-dehydroestrone
17β-Dihydro-delta 8,9-dehydroestrone
5,7,9,(10) Estratriene-3β-ol-17-one
2-Hydroxyestrone
2-Methoxyestrone
  • Barton et al. (2007); Bhavnani et al. (2008).