Patent ID: 7368579

Claim:
A 4-nitroimidazole derivative represented by formula (41), [wherein X B is a bromine atom or a group of the formula —S(O) n R 1 , wherein R 1 is a phenyl group which may have 1 to 3 substituents, selected from the group consisting of a nitro group, a halogen atom and a lower alkyl group, on the phenyl ring, n is 0 or an integer of 1 or 2; and R J is a group of the formula, (wherein R K and R L are each a tetrahydropyranyl group, a tri(lower alkyl)silyl group, a lower alkanoyl group, a phenyl-lower alkyl group which may have a lower alkoxy group as a substituent on the phenyl ring or a hydrogen atom)] or a salt thereof.