Patent ID: 8486987

Claim:
A method for treating an Apicomplexan parasite infection in a patient, said method comprising administering to a patient in need thereof an effective amount of a compound of Formula IV: or a pharmaceutically acceptable salt thereof, wherein R 9 , R 10 , and R 11 are independently selected from the group consisting of hydrogen, halogen, acetoxy, lower alkyl, lower haloalkyl, lower haloalkoxy, aryl, and lower alkoxy; R 12 is a bond or; and R 13 is selected from the group consisting of methyl, —C(CH 3 ) 3 , —NHC(CH 3 ) 3 , —C≡N, Hydroxyl, wherein R 14 is selected from the group consisting of hydrogen, halogen, acetoxy, lower alkyl, lower haloalkyl, lower haloalkoxy, aryl, and lower alkoxy and n is an integer from 1 to 3.