Standards; Pharmaceutical/API Drug Impurities/Metabolites;
應(yīng)用:
4-(1,1-dimethylethyl)-N-[5-hydroxy-6-[2-(2-hydroxyethoxy)ethoxy][2,2'-bipyrimidin]-4-yl]-Benzenesulfonamide is an impurity of bosentan (B675900), a mixed endothelin receptor antagonist.