N Arefyeva, A Sandleben, A Krest, U Baumann… - Inorganics, 2018 - mdpi.com
Tetranuclear complexes [M4 (LR) 4] with M= Ni (II) or Zn (II), with a [2× 2] grid-type structure,
were assembled in good yields and purity from the easily accessible but unprecedented …