MR IMAGING DIAGNOSTIC AGENT FOR INTRACTABLE NEUROLOGICAL DISEASE

摘要

Disclosed is a compound represented by formula (1) or a salt thereof, formula (1) : wherein X is a residue of a compound having activity of binding to at least one member selected from the group consisting of amyloid ² proteins, tau proteins, ±-synuclein, and TDP-43; m is an integer of 0 to 6; n is an integer of 1 to 5; and J is a group selected from the group consisting of wherein R 1 and R 2 are each independently a hydrogen atom, a fluorine atom, methyl, or trifluoromethyl; R 3 is trifluoromethyl or trifluoromethoxy; and p is an integer of 1 to 4, provided that m + n ‰¥ 5 when J is J-1, and m + n ‰¥ 7 when J is J-2 or J-3.