That is a Canadian/France patent. Not sure where you see a reference to TFC-039? "Another object of this invention is a compound as defined above, for use as a drug, in particular as an inhibitor of the sodium-dependent glucose co-transporter, such as SGLT1, SGLT2 and SGLT3. Within the meaning of this invention, "inhibitor of the sodium-dependent glucose co-transporter" is
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