| 摘要 |
The present disclosure provides the asymmetric cyanine fluorescent dyes of formula I in which X, n, R1, R2, R3, R4, R5 and Y- are as defined in the specification. The present disclosure also provides conjugates of the fluorescent dyes, methods for preparation thereof, compositions comprising the fluorescent dyes, and methods for staining biological samples using the fluorescent dyes and compositions thereof.
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