Patent ID: 8669283

Claim:
A method for treating, preventing or ameliorating a bacterial or protozoan infection comprising the administration of a compound of the general formula (I) wherein R 1 is C 3-16 alkyl, C 3-16 alkenyl, C 3-16 alkynyl, which may be substituted and/or which may be interrupted by one or more heteroatoms or heterogroups selected from O, S or NR 5 , with R 5 being selected from —H or —C 1-4 alkyl; phenyl which may be substituted; or C 7-12 aralkyl which may be substituted on the aryl ring, R 2 is H, R 3 is H; C 1-12 alkyl, C 2-12 alkenyl, C 2-12 alkynyl, which may be substituted and/or which may be interrupted by one or more heteroatoms or heterogroups selected from O, S or NR 5 , with R 5 being selected from —H or —C 1-4 alkyl; phenyl which may be substituted; or C 7-12 aralkyl which may be substituted on the aryl ring, and R 4 is H or C 1-8 alkyl which may be substituted and/or which may be interrupted by one or more heteroatoms or heterogroups selected from O, S or NR 5 , with R 5 being selected from —H or —C 1-4 alkyl, or R 3 and R 4 are taken together to form a 5- or 6-membered carbocyclic ring, or a pharmaceutically acceptable salt thereof.