Is there a chemical that has the bond structure like below?

There are 5 atoms linking together. Two of them have 4 bonds. (They are different atoms.) Another two of them have 3 bonds. (They can be either same or different atoms.) The last atom has only 2 bonds.

Suggested SMILES for unknown $\ce{X}$ elements is [X]2[X]14[X]3[X]1[X]234

Are there such kinds of chemicals?