| 摘要 |
The present invention relates to a bridge compound with an N,N-dialkylamino group, represented by the following formula (I), wherein, R, R′, R″, R1, R2, B, B′, i, j, m, and n are defined the same as the specification. The novel bridge compound of the present invention is suitable for being used as a bridge group between dyestuffs, ultraviolet absorbers, or one dyestuff and one ultraviolet absorber. In addition, the present invention further provides a dyestuff compound provided from the aforementioned bridge compound.
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