| 摘要 |
<p>A compound which, in the free acid form, has the Formula (1), a process for the coloration of materials having -OH and/or -NH- groups by applying thereto a compound of Formula (1), and materials having -OH and/or -NH- groups when coloured with a compound of Formula (1): <CHEM> wherein: R<1> is H, alkyl, alkoxy, CO2H or SO3H; Z is -CH=CH2 or a group which yields -CH=CH2 on treatment with aqueous alkali; A and A<1> are each independently H or SO3H provided at least one of A and A<1> is SO3H; X is Cl or F; R<2> is H, alkyl or alkenyl; and Y is phenyl substituted by one or two groups selected from CO2H and SO3H. m</p> |
