has role troglitazone inhibitor role of BSEP bile acid transport mitochondria disorder dependent chemical compound troglitazone [mitochondrial disorder] A chromane that has formula C24H27NO5S. ATC:A10BG01 Direct competition of troglitazone metabolites with conjugated bilirubin at the level of MRP2 could result in conjugated hyperbilirubinemia. PMID:11717175 PMID:21145849 Rifampicin, bosentan, and troglitazone directly inhibit bile salt export pump (BSEP).