Macitentan impurity 4

Macitentan impurity B macitentan 4(1H)-PyriMidinone, 5-(4-broMophenyl)-6-hydroxy- N-Propylsulfuric diamide-sodium SulfaMide, N-propyl-,(potassiuM salt)(1:1)

Macitentan impurity A 5-Bromo-2-chloropyrimidine Macitidine related impurities PropylsulfaMide CarbaMic acid, N-[(propylaMino)sulfonyl]-, phenylMethyl ester

5-(4-Bromophenyl)-4,6-dichloropyrimidine 2-(4-BROMOPHENYL)-PROPANEDIOIC ACID, 1,3-MDIETHYL ESTER Macitentan IMpurity Masitatin impurity 1 Macitidine impurity 2

Macitidine impurity 5 Masitatin impurity 3