Need help naming s203 rear suspension parts

[drone]

I've spent a deal of time checking out the suspension on a 55 reg 220 cdi, Amazingly after 195000+ miles only one bush is really in need of renewal. This is the inner bush on the lowest suspension on the rear offside that forms the base for the spring and attaches to the hubcarrier on the outboard side and the subframe on the inner side.
As I mentioned it's the inner bush that is breaking up I just want to swap bushes but don't know what the name of the part is.
Could anyone please help me out?

 

[drone]

Just to clarify there are so many bushes that I really need to be specific.