1. The antituberculous therapeutic drug comprising: (I) at least one compound selected from the group consisting of compounds 2,3-dihydro-6-nitroimidazo [2,1-b] oxazole compound represented by the general formula (1) wherein represents a hydrogen atom or an alkyl group,. n represents an integer from 0 to 6, and R to any group of the following general formulas (A) - (G), gdegruppa represented by the general formula (A) is: wherein R to any group of the following (1) - (6) : (1) phenoxy group (at least one group selected from the group consisting of halogen atoms, optionally halogen-substituted alkyl group, and optionally halogen-substituted alkoxy group, may be substituted on the phenyl ring) (2) a phenyl alkoxy group (at least one group selected from the group consisting of n atoms ogena optionally halogen-substituted alkyl group, and optionally halogen-substituted alkoxy group, may be substituted on the phenyl ring) (3) -NRRgruppa where R a hydrogen atom or alkyl group, and R f is a phenyl group (at least one group selected from the group consisting of a halogen atom, an optionally halogen-substituted alkyl group, and optionally halogen-substituted alkoxy group, may be substituted on the phenyl ring) (4) phenyl alkyl group, (at least one group selected from Rupp consisting of halogen atoms, optionally halogen-substituted alkyl group, and optionally halogen-substituted alkoxy group, may be substituted on the phenyl ring) (5) a phenoxy alkyl group, (at least one group selected from the group, with