Similar names: Benzenesulfonamide, N-[1,6-dihydro-5-(2-methoxyphenoxy)-6-oxo[2,2'-bipyrimidin]-4-yl]-4-(1,1-dimethylethyl)-; 4-tert-Butyl-N-[6-hydroxy-5-(2-methoxyphenoxy)-2,2'-bipyrimidin-4-yl]benzenesulfonamide; N-[1,6-Dihydro-5-(2-methoxyphenoxy)-6-oxo[2,2'-bipyrimidin]-4-yl]-4-(1,1-dimethylethyl)benzenesulfonamide; (4-(tert-butyl)-N-[6-hydroxy-5-(2-methoxyphenoxy)-(2,2'-bipyrimidin)-4-yl]benzenesulfonamide); Bosentan Related Compound B