| 摘要 |
Provided is a methine-based dye represented by formula (1) (where in formula (1), m is an integer of 1 to 5, l and n are integers of 0 to 6, j is an integer of 0 to 3, and k is an integer of 1 to 3; X1 and Y1 are each independently a carboxyl group or cyano group, and the like; Z1, Z2, and Z3 are each independently an oxygen atom or sulfur atom, and the like; A1, A2, A3, A5 and A6 are each independently a hydrogen atom, aromatic residue, aliphatic hydrocarbon residue, or cyano group, and the like; A4 is a hydrogen atom, aliphatic hydrocarbon residue, or cyano group, and the like; A7, A8, A9, and A10 are each independently a hydrogen atom, aliphatic hydrocarbon residue, or cyano group, and the like; and R1 and R2 are each independently a specific aromatic residue or heterocyclic residue, and the like). |
