| abstract |
Provided is a pigment obtained from a compound represented by formula (1) or (2). (1) (2) [Where A is a group having acidic groups; Ar is an aromatic ring; Ra and Rb are a hydrogen atom, aliphatic group, aromatic group, or heterocyclic group bonded by carbon atoms; n, L, and m are integers between 1 and 5; and d and a are predetermined linking groups.] |