| 摘要 |
<p>Compounds of formula (I) 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)n-Q.</p> |
