Multiple references + self referencing table

Hello everyone :slightly_smiling_face:

I would like your support on this one.

I have a table of various products, and some of them are equivalent one to another.

For example, I wish to tag that product A is equivalent to C and D. The app user should see this information when he goes in the detailed view of product A.

To achieve this I tried the following, without success :

Any ideas how I could manage this ?

Thank you !

You can bring it in inline view in the equivalent to.