| Member | Definition | Role |
|---|
| (20s)-20-hydroxycholesterol | An oxysterol that is cholesterol substituted by a hydroxy group at position 20. | 20-hydroxycholesterol |
| (22r)-22-hydroxycholesterol | An oxysterol that is the 22R-hydroxy derivative of cholesterol. | (22R)-22-hydroxycholesterol |
| 20,22-dihydroxycholesterol | An oxysterol that is cholesterol substituted by hydroxy groups at positions 20 and 22 (the 20R,22R-stereoisomer). | (20R,22R)-20,22-dihydroxycholesterol |
| 22s-hydroxycholesterol | An oxysterol that is the 22S-hydroxy derivative of cholesterol. | (22S)-22-hydroxycholesterol |
| 24-hydroxycholesterol | An oxysterol that is cholesterol which is substituted by a hydroxy group at position 24. | 24-hydroxycholesterol |
| 25-hydroxycholesterol | | 25-hydroxycholesterol |
| cholest-5-en-3 beta,7 alpha-diol | The 7alpha-hydroxy derivative of cholesterol. | 7alpha-hydroxycholesterol |
| cholest-5-en-3 beta,7 alpha-diol, (3beta,7beta)-isomer | | 7beta-hydroxycholesterol |
| cholest-5-ene-3 beta,26-diol | An oxysterol that is cholesterol substituted at position 26 by a hydroxy group. | 26-hydroxycholesterol |
| cholesterol alpha-oxide | | 5,6alpha-epoxy-5alpha-cholestan-3beta-ol |