[Ni2(2,6-dioxo-5-(2,4,6-trioxo-tetrahydro-pyrimidine-5-ylideneamino)-1,2,3,6-tetrahydropyrimidine-4-olate)Cl3(H2O)3]

Ni(2,4'-bipyridine)2(formate)2*2H2O

Ni(malonate)(hydrazine)