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The general structure of more abundant bile acids in humans.
| |||
|---|---|---|---|
| Bile acid | R1 | R2 | R3 |
| Cholic acid | OH | α-OH | Acid form Glycine-conjugate  Taurine-conjugate 
|
| Chenodeoxycholic acid | H | α-OH | |
| Deoxycholic acid | OH | H | |
| Lithocholic acid | H | H | |
| Ursodeoxycholic acid | H | β-OH | |
