Patent ID: 7288566

Claim:
An N-hydroxyformamidine compound of the following formula or a pharmaceutically acceptable salt thereof: (wherein R 1 represents a hydrogen atom, a C 1-4 alkyl group, a C 1-4 alkoxy group or a halogen atom, A represents a C 1-10 alkylene group or a group of the following formula: (wherein m, n and p each represent an integer of 0 to 4), and R represents an N,N-di-C 1-6 alkylamino group, a dioxanyl group, a C 1-4 alkyl-substituted dioxanyl group, a C 1-4 alkoxy-C 1-4 alkoxy group or a group of the following formula: (wherein s and t each represent an integer of 1 to 4, B represents a methylene group, an oxygen atom, a sulfur atom, a nitrogen atom, a C 1-4 alkyl-substituted nitrogen atom, a phenyl-substituted nitrogen atom or a benzyl-substituted nitrogen atom, R 2 represents a hydrogen atom or a C 1-4 alkyl group, and r represents an integer of 0 to 2)).