abstract |
The invention relates to antibacterial compounds of formula I n nwherein R 1 is H or halogen; R 2 is alkynyloxy or the group M; R 3 is H or halogen; M is one of the groupsn n nwherein A is a bond, CH 2 CH 2 , CH═CH or C≡C and R 1A , R 2A , R 3A , R 1B and R 1C are as defined in claim 1; n nand salts thereof. |