the time course of free oestradiol and oestrone as well as of total ( free and conjugated ) oestrone was determined in plasma of women after oral ingestion of 3.75 mg conjugated equine oestrogens , or 9.74 micromol of oestrone sulfate , oestrone , and oestradiol , respectively .
C0059668
oestrone sulfate
C0014942
oestrone