Compound, ink, resist composition for color filter, color filter, sheet for thermal transfer recording, and toner

A compound represented by formula (1):

• wherein, in the formula (1):
• R1 and R2 represent 2-ethylhexyl groups;
• R3 represents a linear alkyl group having 1 to 4 carbon atoms or a branched alkyl group having 3 or 4 carbon atoms;
• and
• R4 represents a functional group selected from the group consisting of a t-butyl group, an iso-propyl group, a phenyl group, and a benzyl group.