The present disclosure provides the asymmetric cyanine fluorescent dyes of formula I in which X, n, R
1
, R
2
, R
3
, R
4
, R
5
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.
本公开提供了式I中的不对称
青霉素荧光
染料,其中X、n、R1、R2、R3、R4、R5和Y-如规范中所定义。本公开还提供了荧光
染料的结合物,其制备方法,包含荧光
染料的组合物,以及使用荧光
染料和其组合物对
生物样本进行染色的方法。