Ivacaftor

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:66901
http://www.hmdb.ca/metabolites/HMDB0015705
http://www.genome.jp/dbget-bin/www_bget?drug:D09916
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=16220172
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=175427103
https://www.chemspider.com/Chemical-Structure.17347474.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50032693
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=1243041
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=66901
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL2010601
https://zinc.docking.org/substances/ZINC000052509463
http://www.pharmgkb.org/drug/PA165950341
https://www.ebi.ac.uk/pdbe-srv/pdbechem/chemicalCompound/show/VX7
http://www.rxlist.com/kalydeco-drug.htm
https://www.drugs.com/kalydeco.html
https://en.wikipedia.org/wiki/Ivacaftor