It’s only fair to share… QBW 251, ICENTICAFTOR Molecular FormulaC12H13F6N3O3 Average mass361.240 Da 2-Pyridinecarboxamide, 3-amino-6-methoxy-N-(3,3,3-trifluoro-2-hydroxy-2-methylpropyl)-5-(trifluoromethyl)- 3-Amino-6-methoxy-N-(3,3,3-trifluoro-2-hydroxy-2-methylpropyl)-5-(trifluoromethyl)-2-pyridinecarboxamide 3-Amino-6-méthoxy-N-(3,3,3-trifluoro-2-hydroxy-2-méthylpropyl)-5-(trifluorométhyl)-2-pyridinecarboxamide (S)-3-amino-6-methoxy-N-(3,3,3-trifluoro-2-hydroxy-2- methylpropyl)-5-(trifluoromethyl)picolinamide 1334546-77-8 [RN] Icenticaftor (development code QBW251) is a drug candidate for the treatment of chronic obstructive pulmonary disease (COPD)[1][2] and cystic fibrosis.[3][4] The drug is being developed by Novartis.[5] Like ivacaftor (which is marketed as Kalydeco), icenticaftor functions by acting as a stimulator of the protein cystic fibrosis transmembrane conductance regulator (CFTR).[5] …