NEW MATERIAL: A compd. represented by formula I {wherein Z is a group represented by formula II, III, or IV [wherein R1 and R2 are each H or a 1-6C alkyl; (m) is 1 or 2; (Q1)m is a 1-4C alkyl, a 1-4C alkoxy, acetylamino, etc.; and (Q2)m is a 1-4C alkyl, a 1-4C alkoxy, a halogen, carboxyl, etc.], etc.}.

EXAMPLE: A compd. represented by formula V.

USE: For dyeing or printing cellulosic materials (esp. cotton), silk, leather, wool, polyamide fibers, and polyurethanes in red.

PROCESS: A diazotization product of a diazo component represented by formula VI, a coupling component represented by formula VII, 2,4,6-trichloro-s-triazine, and an amine represented by the formula: H-Z are subjected to coupling and condensation.