Patent ID: 8618170

Claim:
A composition for oral administration comprising an effective amount of a compound represented by the following Structural Formula: or a pharmaceutically acceptable salt thereof, wherein: Y is a covalent bond or an optionally substituted straight chained hydrocarbyl group, or, Y, taken together with both >Câ•Z groups to which it is bonded, is an optionally substituted aromatic group; R 1 -R 4 are independently â€”H, an optionally substituted aliphatic group, an optionally substituted aryl group, or R 1 and R 3 taken together with the carbon and nitrogen atoms to which they are bonded, and/or R 2 and R 4 taken together with the carbon and nitrogen atoms to which they are bonded, form a non-aromatic heterocyclic ring optionally fused to an aromatic ring; R 7 -R 8 are independently â€”H, an optionally substituted aliphatic group, or an optionally substituted aryl group; and each Z is independently O or S; and one or more GRAS excipients, wherein the GRAS excipient is TPGS/PEG400.