| abstract |
An ink composition includes: water, a compound represented by the following general formula (1) or a salt thereof, and a compound represented by the following general formula (21) or a salt thereof.n n(in the formula (1), n represents 0 or 1, neach of R 1 , R 2 , R 3 , and R 4 represents a substituent, nGroup A represents a substituted heterocyclic group represented by the following general formula (2) or (3):n nin the formula (2), R 5 represents a substituent.n nin the formula (3), each of R 6 , R 7 , and R 8 represents a substituent, and Group B has a substituted phenyl group or naphthyl group).n n(in the formula (21), each of R 21 , R 22 , R 23 , R 24 , R 25 , R 26 , R 27 , and R 28 represents a substituent, and X represents a divalent crosslinking group). |