| 摘要 |
Disclosed herein is a dye represented by the general formula <IMAGE> (A) wherein R1, R2, R3 and R4 are independently a radical selected from the Group B or a radical of the formula (i) or (ii), R5 is CH3 or COONH4, and R6, R7, R8 and R9 are independently a radical selected from the Group B or a radical of the formula (iii), with the proviso that in a molecule of the dye, the number of SO3NH4 is 1 and the number of COONH4 is 2 or 3: Group B: H, OH, CH3, C1, COONH4 and SO3NH4; <IMAGE> (i) <IMAGE> (ii) <IMAGE> (III)
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