The difference between the different types of rhodamine

What is the difference between different type of rhodamine, for example rhodamine red and rhodamine green?
are these two type of rhodamine (red & green) have a good Raman signal?
We would like examples of Raman signals of these two types of rhodamine.




Rhodamine green  

CAS: 189200-71-3  

![enter image description here](https://i.stack.imgur.com/0KNMj.gif)


Rhodamine Red  

CAS: --  

![enter image description here](https://i.stack.imgur.com/RFSSE.gif)


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