Substituted benzene derivatives or salts thereof

There are provided compounds having an anticoagulant action on the basis of inhibition of activated blood coagulation factor X and being useful as anticoagulants or preventive/therapeutic agents for diseases induced by thrombosis or embolism. Effective ingredients are the compounds such as 4′-bromo-2′-[(5-chloro-2-pyridyl) carbamoyl]-6′-β-D-galactopyranosyloxy-1-isopropylpiperidine-4-carboxanilide, 2′-(2-acetamido-2-deoxy-β-D-glucopyranosyloxy)-4′-bromo-6′-[(5-chloro-2-pyridyl)carbamoyl]-1-isopropylpiperidine-4-carboxanilide, etc. or salts thereof.