NEW BICYCLIC HETEROCYCLIC COMPOUND

PROBLEM TO BE SOLVED: To provide a medicine having an SNS-inhibiting action that exhibits a therapeutic or a prophylactic action on a disease associated with SNS such as neuropathic pain, nociceptive pain, micturition disorder and multiple sclerosis. SOLUTION: There are disclosed a compound or the like represented by formula (1) [in the formula, R1represents a halogen atom or the like, R2represents a hydrogen atom or the like, or R1and R2may together form a 5 to 7 membered ring; m represents a natural number of 0 to 5; R7represents a hydrogen atom or the like; R3and R4independently represent a substituted or an unsubstituted alkyl group or the like; R8and R9independently represent a hydrogen atom or the like; n represents an integer of 1 to 6; and A represents a fluorine atom or the like], and a pharmacologically acceptable salt thereof. COPYRIGHT: (C)2010,JPO&INPIT