128312-51-6 3'-((E)-2-(4-Cyclobutyl-2-thiazolyl)vinyl)-2,2-diethylsuccinanilic acid Butanoic acid, 4-((3-(2-(4-cyclobutyl-2-thiazolyl)ethenyl)phenyl)amino)-2,2-diethyl-4-oxo-, (E)- Cinalukast Cinalukast [USAN:INN] Ro 24-5913