| 摘要 |
Compounds of formula (1) have antibacterial activity: wherein R represents hydrogen or 1, 2 or 3 optional substituents; W is ═C(R1)—; R1 is hydrogen and R2 is hydrogen, methyl, or fluorine; or R1 and R2 taken together are —CH2—, —CH2CH2, —O—, or, in either orientation, —O—CH2— or —OCH2CH2—; and R3 is a radical of formula -(Alk1)m-(Z)p-(Alk2)-Q. |
