| 摘要 |
A compound of Formula (1) and salts thereof: wherein: R1 is optionally substituted C1-4alkyl; R2 is optionally substituted aryl; R3 is CN or SO2R4; R4 is optionally substituted C1-4-alkyl or optionally substituted aryl; n is 1 to 5. also ink-jet compositions, processes and printed material. |
