#$%^&*AU2013251248A120131121.pdf#####293 ABSTRACT The present invention relates to the benzimidazole-4-carboxamide derivatives, their preparation methods, pharmaceutical compositions and their uses wherein X represents monosubstituted or bissubstituted or polysubstitued C1-C 14 alkoxy, monosubstituted or bisubstituted or polysubstitued C1-C 14 alkyl, monosubstituted or bisubstituted or polysubstitued C 2-C 14 alkenyl, monosubstituted or bisubstituted or polysubstitued C6 -C 14 aryl, or monosubstituted or bisubstituted or polysubstitued 5 to 6 membered heterocyclic group, or monosubstituted or bisubstituted or polysubstitued fused ring group containing nitrogen heteroatom Y represents hydrogen, monosubstituted or bisubstituted or polysubstitued C1-C16 alkyl, monosubstituted or bisubstituted or polysubstitued C6 -C 12 aryl, or monosubstituted or bisubstituted or polysubstitued 5 to 6 membered heterocyclic group, or monosubstituted or bisubstituted or polysubstitued fused ring group containing nitrogen heteroatom. The derivatives of the present invention have the functions of antiviral medicine. Y N-H N
