| 摘要 |
A bisazo dye of Formula (1) and salts thereof: <IMAGE> Formula (1) in which R is H; R1 and R2 each independently is H, optionally substituted C1-4-alkyl or optionally substituted aryl; R3 and R4 are each independently -OC1-4-alkyl; R5 is H; R6 is COOH; and n is 1, 2 or 3. The dyes are useful for ink jet printing. |
