Patent ID: 7439238

Claim:
A method of treating a disease caused by infection with a parasite of the genus Neospora or the genus Eimeria , comprising administering to a host in need thereof an effective amount of a compound of the general formula I or a salt thereof, in which Y represents a halogen atom, an optionally substituted cycloalkyl, aryl, C-linked heteroaryl or heterocyclylalkyl group or a group —NR 1 R 2 ; where R 1 represents a hydrogen atom or an optionally substituted alkyl, alkenyl or alkynyl group; R 2 represents an optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, aryl or aralkyl group; or R 1 and R 2 together with the interjacent nitrogen atom represent an optionally substituted heterocyclic group or an amino group derived from an optionally substituted amino acid ester.