Dyes of the formula ##STR1## where A and B are H and/or ##STR2## Y is unsubstituted or substituted phenyl, ##STR3## or unsubstituted or substituted benzothiazolyl or benzoxazolyl and R is unsubstituted or substituted alkyl, unsubstituted or substituted phenyl, or alkoxy, alkoxyalkoxy, phenalkyl or alkoxycarboalkyl, are suitable for dyeing and printing cellulose swollen with water-miscible swelling agents and cellulose-containing fiber material.
式子为 ##STR1## 其中A和B为H和/或 ##STR2##,Y为未取代或取代的苯基,##STR3## 或未取代或取代的
苯并噻唑基或苯并
噁唑基,R为未取代或取代的烷基,未取代或取代的苯基,或烷氧基,烷氧基烷氧基,苯基烷基或烷氧基羧烷基,适用于染色和印刷
水溶性膨胀剂膨胀的
纤维素和含
纤维素的纤维材料。