CFTR Inhibitor 5MG. CFTR Inhibitor, CAS: 328541-79-3, MF: C19H15Br2N3O3, Purity: greater than 98%, Yellow solid, Synonym: 2-G[(3, G5-Gdibromo-G2, G4-Gdihydroxyphenyl)methylene]hydrazide N-G2-Gnaphthalenyl-Gglycine GlyH-101, Cystic Fibrosis Transmembrane Conductance Regulator Inhibitor II, Size: 5MG