abstract |
Compounds of formula (I) have antibacterial activity wherein: m is O or 1; Q is hydrogen or cyclopropyl; AIk is an optionally substituted, divalent C 1 -C 3 alkylene, C 2 -C 3 alkenylene or C 2 -C 3 alkynylene radical; X is —C(═O)NH— or —C(═O)O—; R 2 and R 3 are as defined in the specification. |