Tree ID help please

[Wild wandering woodsman]

Spotted two or three of these young trees, in the woods that I frequent, havent a clue what they are, but I remember seeing leaves like this elsewhere
All help appreciated
Cheers

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[Mesquite]

Looks like a viburnum but I'm not 100% sure

 

[CumbrianLad]

Looks like a viburnum but I'm not 100% sure

I just got my brother to take a look and he thinks the same as you