Chemistry is traditionally divided into organic and inorganic chemistry. name: Methyl 4-acetamido-5-chloro-2,3-dihydrobenzofuran-7-carboxylate, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 143878-29-9
The present invention relates to pharmaceutical compositions comprising an inhibitor of epithelial sodium channel activity in combination with at least one ABC Transporter modulator compound of Formula A, Formula B, Formula C, or Formula D. The invention also relates to pharmaceutical formulations thereof, and to methods of using such compositions in the treatment of CFTR mediated diseases, particularly cystic fibrosis using the pharmaceutical combination compositions.
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Reference：
Benzofuran – Wikipedia,
Benzofuran | C8H4069O – PubChem