| 摘要 |
<p>A dyestuff of the general formula (1), <IMAGE> (1) wherein R1 is H or C1-C4 alkyl; R2 is a phenyl or naphthyl group, which is unsubstituted or substituted by -Cl, -Br, -I, -CH3, -C2H5, -C3H7, -C4H9, -OH, -OCH3, -OC2H5, -NO2, -NHCOCH3 or -COOH. The dyestuff of the present invention is suitable for dyeing and printing of materials containing hydroxyl group or amide group, in particular animal fibrous material, synthetic polyamide and polyurethane fibers.</p> |
