| abstract |
The present invention relates to a compound having antricyclic amine substituent which may have various substituents,nthe compound being represented by formula (I), a salt or hydratenthereof, and a hydrate of the salt and a drug containing them asnan active ingredient. They exhibit excellent antimicrobialnactivity against Gram negative bacteria and Gram positive bacterianwith a satisfactory fate and safety and are useful in the treatmentnof infectious diseases.n n wherein Q preferably represents the following partial structurenwhich may have various substituents: |