A compound of Formula (I): ##STR1## or pharmaceutical acceptable salts thereof wherein X is S(O).sub.g or O; R.sub.2 is H, methyl, or OH; R.sub.3 and R.sub.4 are independently H or halo; R.sub.5 is H, C.sub.1-12 alkyl, optionally substituted with one or more halo, C.sub.3-12 cycloalkyl, C.sub.1-6 alkoxy; and g is 0, 1, or 2. The compounds are useful antimicrobial agents.
化合物式(I)的复合物:##STR1##或其药用可接受盐,其中X为S(O).sub.g或O; R.sub.2为H,甲基或OH; R.sub.3和R.sub.4独立地为H或卤素; R.sub.5为H,C.sub.1-12烷基,可选地用一个或多个卤素,C.sub.3-12环烷基,C.sub.1-6烷氧基; g为0,1或2。这些化合物是有用的抗微
生物剂。