英文别名Sulfamide, N-[5-(4-bromophenyl)-6-chloro-4-pyrimidinyl]-N'-propyl; N-(5-(4-bromophenyl)-6-chloropyrimidin-4-yl)propane-1-sulfamide; N-5-(4-bromophenyl)-6-chloro-4-pyrimidinyl-N'-propylsulfamide; 5-(4-bromophenyl)-6-chloro-N-(propylsulfamoyl)pyrimidin-4-amine; Macitentan Impurity 16; Mecitentan Pyrimidine Amine Impurity