2-hydroxyestrone 1-N-acetylcysteine thioether

4-羟雌甾酮

4-hydroxyestrone 2-N-acetylcysteine thioether

N-乙酰基-S-(5-羟基-2-戊基四氢-3-呋喃基)-L-半胱氨酸

N-乙酰基-S-(2-羟乙基)-L-半胱氨酸