| abstract |
A squarylium compound having excellent stability in a polar solvent, a solution containing the compound, and a resin composition are provided. A squarylium compound represented by the following formula (1): Wherein (1), R 1 ~R 8 each independently represent a hydrogen atom, an organic group or a polar functional group, A 1 and A 2 each independently represents a carbonyl group or a sulfonyl group, X Represents an organic linking group. ] [Selection] Figure 1 |