CPC C09B 55/009 (2013.01) [C09K 11/06 (2013.01); C09K 2211/1029 (2013.01)] | 15 Claims |
1. A fluorescent dye, comprising a structure represented by the formula (I):
wherein
X is halogen;
R is selected from one of alkyl, cycloalkyl, aryl and heterocyclyl substituted with a hydrophilic group.
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