| 摘要 |
<p>Disclosed is a compound represented by formula (I) (wherein X represents -N=, -CH= or the like; W represents -CH2- or the like; U represents -S- or the like; R<sup>1</sup> and R<sup>2</sup> each independently represents a hydrogen atom, a halogen atom, an optionally substituted lower alkyl group or the like; R<sup>3</sup> represents a hydrogen atom or the like; R<sup>4</sup>s each independently represents a hydrogen atom, a halogen atom or the like; m represents an integer of 0-2; Q represents a single bond or the like; G represents -C(=O)- or the like; D represents a single bond, -NH- or the like; and E represents a cyclic quaternary ammonium group), an ester of the compound, a protected product of the compound wherein an amino group located on the ring in the side chain in the 7-position is protected, a pharmaceutically acceptable salt of the compound, the ester or the protected product, or a solvate of the compound, the ester, the protected product or the pharmaceutically acceptable salt.</p> |
