Formulations are provided, comprising: a compound of Formula I, a pharmaceutically acceptable salt thereof, or a mixture of any two or more thereof; and an ingredient selected from a hydrophilic solvent, a lipophilic solvent, an emulsifier, or a mixture of any two or more thereof; wherein the compound of Formula I is: In some embodiments, the formulations are liquids. In other embodiments, the formulations are solids. Also provided are methods of preparing such formulations.