COMPOUND AND LABELED BIOMATERIAL USING SAME

There are provided a compound having a phosphor moiety and a structure represented by General Formula (I), and a labeled biological substance.In the formula, A1 represents a structure represented by General Formula (a1),A2 represents a structure represented by General Formula (a2), andB represents a structure represented by General Formula (b),In the formulae, X1 to X6 represent -O-, -S-, >NR1, or >CR2R3.R1 to R3 represent a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an acyl group, an aryl group, a heteroaryl group, -NR9R10, -OR11, or an anionic group.R9 to R11 represent a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an acyl group, an aryl group, or a heteroaryl group.Y1 represents a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, or a heteroaryl group.L1 represents a divalent linking group.l, m, n, and p are an integer of 1 or more.* represents a bonding site.