Zibotentan is an orally bioavailable, non-peptide ETA (endothelin) receptor-specific antagonist, with no activity against ETB receptor. Synonyms: N-(3-methoxy-5-methylpyrazin-2-yl)-2-(4-[1,3,4-oxadiazol-2-yl]phenyl)pyridine-3-sulfonamide; ZD4054 Molecular Formula: C19H16N6O4S Molecular…