Fuse substituted aminopyrrolidine derivatives

A well Gram-negative bacteria, to quinolone antibacterial agents have a strong antibacterial activity against Gram-positive cocci became low sensitive, high safety and having a pharmacokinetics were excellent as pharmaceutical properties quinolone synthetic antibacterial agents having provided. A compound represented by the following formula (I), a salt or hydrate thereof. [Formula 1] That is, in the formula, by integrating the substituents .BACKGROUND