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World J Exp Med. Mar 20, 2025; 15(1): 101771
Published online Mar 20, 2025. doi: 10.5493/wjem.v15.i1.101771
Figure 1
Figure 1  Protonated and deprotonated forms of ursodeoxycholic acid, tauroursodeoxycholic acid, and glycoursodeoxycholic acid.
Figure 2
Figure 2  Formulation of the protonated and deprotonated form of obeticholic acid.
Figure 3
Figure 3  Formulas of norursodeoxycholic acid and its glucuronide in protonated and deprotonated forms.
Figure 4
Figure 4 Cholehepatic bypass and metabolism of norursodeoxycholic acid glucuronide. norUDCA: Norursodeoxycholic acid glucuronide; MRP: Multidrug-resistance protein.