A compound, a racemate or optical isomer, a pharmaceutically acceptable salt, a solvate, or a hydrate thereof, selected from the group consisting of: 4-fluoro-N-(2-oxo-oxazolidinone-3-yl) benzamide (Compound 1); 4-tert-butyl-N-(2-oxo-oxazolidinone-3-yl) benzamide (Compound 2); 4-chloromethyl-N-(2-oxo-oxazolidinone-3-yl) benzamide (Compound 3); 2-chloro-N-(2-oxo-oxazolidinone-3-yl) benzamide (Compound 4); 3-chloro-N-(2-oxo-oxazolidinone-3-yl) benzamide (Compound 5); 2-fluoro-N-(2-oxo-oxazolidinone-3-yl) benzamide (Compound 6); 4-nitro-N-(2-oxo-oxazolidinone-3-yl) benzamide (Compound 7); 3-methyl-N-(2-oxo-oxazolidinone-3-yl) benzamide (Compound 8); 4-fluoro-N-(2-oxo-oxazolidinone-3-yl) benzamide (Compound 9); 2-trifluoromethyl-N-(2-oxo-oxazolidinone-3-yl) benzamide (Compound 10); 4-ethyl-N-(2-oxo-oxazolidinone-3-yl) benzamide (Compound 11); 4-bromo-N-(2-oxo-oxazolidinone-3-yl) benzamide (Compound 12); 3-fluoro-N-(2-oxo-oxazolidinone-3-yl) benzamide (Compound 13); 3-propyl-N-(2-oxo-oxazolidinone-3-yl) benzamide (Compound 14); 1-(2-oxo-oxazolidinone-3-yl)-3-butyl urea (Compound 15); 1-(2-oxo-oxazolidinone-3-yl)-3-pentyl urea (Compound 16); 1-(2-oxo-oxazolidinone-3-yl)-3-hexyl urea (Compound 17); 1-(2-oxo-oxazolidinone-3-yl)-3-heptyl urea (Compound 18); 1-(2-oxo-oxazolidinone-3-yl)-3-octyl urea (Compound 19); 1-(4-bromophenyl)-3-(2-oxo-oxazolidinone-3-yl) urea (Compound 20); 1-(2-oxo-oxazolidinone-3-yl)-3- p-tolylurea (Compound 21); 1-cyclohexyl-3-(2-oxo-oxazolidinone-3-yl) urea (Compound 22); 1-benzyl-3-(2-oxo-oxazolidinone-3-yl) urea (Compound 23); 1-(2-oxo-oxazolidinone-3-yl) phenyl ethyl urea (Compound 24); 1-(2-oxo-oxazolidinone-3-yl)-3-(m-tolyl) urea (Compound 25); 1-(3-bromophenyl)-3-(2-oxo-oxazolidinone-3-yl) urea (Compound 26); 1-(2-oxo-oxazolidinone-3-yl) phenylthiourea (Compound 27); 1-(4-fluorophenyl)-3-(2-oxo-oxazolidinone-3-yl) sulfourea (Compound 28); 1-(3-bromophenyl)-3-(2-oxo-oxazolidinone-3-yl) urea (Compound 29); 1-(2-oxo-oxazolidinone-3-yl)-3-(4-trifluoromethoxyphenyl) urea (Compound 30); 2-(4-fluorophenyl)-N-(2-oxo-oxazolidinone-3-yl) acetamide (Compound 31); 2-(4-methoxyphenyl)-N-(2-oxo-oxazolidinone-3-yl) acetamide (Compound 32); 2-(4-nitrophenyl)-N-(2-oxo-oxazolidinone-3-yl) acetamide (Compound 33); 2-(4-chlorophenyl)-N-(2-oxo-oxazolidinone-3-yl) acetamide (Compound 34); 2-(4- tolyl)-N-(2-oxo-oxazolidinone-3-yl) acetamide (Compound 35); 2-(4-nitrophenyl)-N-(2-oxo-oxazolidinone-3-yl) propanamide (Compound 36); 2-(4-phenyl)-N-(2-oxo-oxazolidinone-3-yl) propanamide (Compound 37); 2-(4-methylphenyl)-N-(2-oxo-oxazolidinone-3-yl) propanamide (Compound 38); 2-(4-chlorophenyl)-N-(2-oxo-oxazolidinone-3-yl) propanamide (Compound 39); and N-(2-oxo-oxazolidinone-3-yl)-4-phenyl butanamide (Compound 40). 4-fluoro-N-(2-oxo-oxazolidinone-3-yl) benzamide (Compound 1); 4-tert-butyl-N-(2-oxo-oxazolidinone-3-yl) benzamide (Compound 2); 4-chloromethyl-N-(2-oxo-oxazolidinone-3-yl) benzamide (Compound 3); 2-chloro-N-(2-oxo-oxazolidinone-3-yl) benzamide (Compound 4); 3-chloro-N-(2-oxo-oxazolidinone-3-yl) benzamide (Compound 5); 2-fluoro-N-(2-oxo-oxazolidinone-3-yl) benzamide (Compound 6); 4-nitro-N-(2-oxo-oxazolidinone-3-yl) benzamide (Compound 7); 3-methyl-N-(2-oxo-oxazolidinone-3-yl) benzamide (Compound 8); 4-fluoro-N-(2-oxo-oxazolidinone-3-yl) benzamide (Compound 9); 2-trifluoromethyl-N-(2-oxo-oxazolidinone-3-yl) benzamide (Compound 10); 4-ethyl-N-(2-oxo-oxazolidinone-3-yl) benzamide (Compound 11); 4-bromo-N-(2-oxo-oxazolidinone-3-yl) benzamide (Compound 12); 3-fluoro-N-(2-oxo-oxazolidinone-3-yl) benzamide (Compound 13); 3-propyl-N-(2-oxo-oxazolidinone-3-yl) benzamide (Compound 14); 1-(2-oxo-oxazolidinone-3-yl)-3-butyl urea (Compound 15); 1-(2-oxo-oxazolidinone-3-yl)-3-pentyl urea (Compound 16); 1-(2-oxo-oxazolidinone-3-yl)-3-hexyl urea (Compound 17); 1-(2-oxo-oxazolidinone-3-yl)-3-heptyl urea (Compound 18); 1-(2-oxo-oxazolidinone-3-yl)-3-octyl urea (Compound 19); 1-(4-bromophenyl)-3-(2-oxo-oxazolidinone-3-yl) urea (Compound 20); 1-(2-oxo-oxazolidinone-3-yl)-3- p-tolylurea (Compound 21); 1-cyclohexyl-3-(2-oxo-oxazolidinone-3-yl) urea (Compound 22); 1-benzyl-3-(2-oxo-oxazolidinone-3-yl) urea (Compound 23); 1-(2-oxo-oxazolidinone-3-yl) phenyl ethyl urea (Compound 24); 1-(2-oxo-oxazolidinone-3-yl)-3-(m-tolyl) urea (Compound 25); 1-(3-bromophenyl)-3-(2-oxo-oxazolidinone-3-yl) urea (Compound 26); 1-(2-oxo-oxazolidinone-3-yl) phenylthiourea (Compound 27); 1-(4-fluorophenyl)-3-(2-oxo-oxazolidinone-3-yl) sulfourea (Compound 28); 1-(3-bromophenyl)-3-(2-oxo-oxazolidinone-3-yl) urea (Compound 29); 1-(2-oxo-oxazolidinone-3-yl)-3-(4-trifluoromethoxyphenyl) urea (Compound 30); 2-(4-fluorophenyl)-N-(2-oxo-oxazolidinone-3-yl) acetamide (Compound 31); 2-(4-methoxyphenyl)-N-(2-oxo-oxazolidinone-3-yl) acetamide (Compound 32); 2-(4-nitrophenyl)-N-(2-oxo-oxazolidinone-3-yl) acetamide (Compound 33); 2-(4-chlorophenyl)-N-(2-oxo-oxazolidinone-3-yl) acetamide (Compound 34); 2-(4- tolyl)-N-(2-oxo-oxazolidinone-3-yl) acetamide (Compound 35); 2-(4-nitrophenyl)-N-(2-oxo-oxazolidinone-3-yl) propanamide (Compound 36); 2-(4-phenyl)-N-(2-oxo-oxazolidinone-3-yl) propanamide (Compound 37); 2-(4-methylphenyl)-N-(2-oxo-oxazolidinone-3-yl) propanamide (Compound 38); 2-(4-chlorophenyl)-N-(2-oxo-oxazolidinone-3-yl) propanamide (Compound 39); and N-(2-oxo-oxazolidinone-3-yl)-4-phenyl butanamide (Compound 40).