definiens: means ( i ) a ll deuterated ivacaftor, including the deuterated form of ivacaftor having a chemical formula as set forth on Section 10.01(b ) of the Seller Disclosure Letter, including the compound coded by Seller as CTP -656, and ( ii ) any other compounds used, planned fo r use or held for use, in each case, in the ownership, operation or conduct of the CF Enterprise ( including deuterated tezacaftor ) as of the date hereof and the Closing Date, in each of cases ( i ) and ( ii ), including any derivatives, combinations, or other forms thereof ; provided, that compounds that are ( a ) solely intended for use as a treatment of antibacterial infections in patients with cystic fibrosis or ( b ) listed on Section 10.01(c ) of the Seller Disclosure Letter shall not be considered Transferred P roducts