Patent ID: 8846669

Claim:
An oxazolidinone derivative represented by Formula 1 below, a prodrug thereof, a hydrate thereof, a solvate thereof, an isomer thereof, or a pharmaceutically acceptable salt thereof: wherein R is a heterocyclic group selected from the following groups: R 1 is hydrogen, C 1 -C 6 alkyl, or C 3 -C 6 cycloalkyl; R 2 is hydrogen, C 1 -C 6 alkyl, or (CH 2 ) m C(═O)R 21 , wherein R 21 is hydrogen, (CH 2 ) n NHR 211 , wherein R 211 is hydrogen or C 1 -C 6 alkyl, CH 2 OH, or CH(OH)CH 2 OH and m and n are each independently an integer of 0 to 3; and Q is OR 3 , NHR 3 , or wherein R 3 is hydrogen, C 1 -C 6 alkyl, —C(═O)R 31 , wherein R 31 is hydrogen, C 1 -C 6 alkyl, C 3 -C 6 cycloalkyl, or O—(C 1 -C 6 ) alkyl, or a hetero aromatic ring group selected from the following groups; wherein the prodrug is an in vivo hydrolysable ester of the oxazolidinone derivative.