MEPRON (atovaquone) is an antiprotozoal agent. The chemical name of atovaquone is trans- 2-[4-( 4- chlorophenyl) cyclohexyl]- 3- hydroxy- 1,4- naphthalenedione. Atovaquone is a yellow crystalline solid that is practically insoluble in water. It has a molecular weight of 366.84 and the molecular formula C₂₂H₁₉ClO₃. The compound has the following structural formula:

MEPRON Suspension is a formulation of micro-fine particles of atovaquone. The atovaquone particles, reduced in size to facilitate absorption, are significantly smaller than those in the previously marketed tablet formulation. MEPRON Suspension is for oral administration and is bright yellow with a citrus flavor. Each teaspoonful (5 mL) contains 750 mg of atovaquone and the inactive ingredients benzyl alcohol, flavor, poloxamer 188, purified water, saccharin sodium, and xanthan gum.

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