Molecules made with Scrum

Now, Scrum is atomic. But The Guide has some more to say on the use of the Scrum framework:

Scrum exists only in its entirety and functions well as a container for other techniques, methodologies, and practices.

Being atomic means that Scrum- is not Scrum. But Scrum+ is Scrum. The addition of Technique, within the framework on Scrum can still be Scrum. You just have to keep Scrum in it’s entirety. No modifications or substitutions, only additions. I wonder what kinds of stable molecules Scrum can create…