4-(1,1-dimethylethyl)-N-[6-(2-hydroxyethoxy-d4)-5-(2-methoxyphenoxy)[2,2-bipyrimidin]-4-yl]benzenesulfonamide; 4-(1,1-Dimethylethyl)-N-[6-(2-hydroxyethoxy-d4)-5-(2-methoxyphenoxy)[2,2’-bipyrimidin]-4-yl]benzenesulfonamide; p-tert-Butyl-N-[6-(2-hydroxyethoxy-d4)-5-(o-methoxyphenoxy)-2-(2-pyrimidinyl)-4-pyrimidinyl]benzenesulfonamide; Actelion-d4; Ro 47-0203-d4; Ro 47-0203/039-d4; Tracleer-d4
