A copper for your thoughts.

Structure	Name/CAS No.	Molecular Formula	Articles
	Zinc acetate dihydrate CAS:5970-45-6	C₄H₁₀O₆Zn
	Triethylenetetramine CAS:112-24-3	C₆H₁₈N₄
	D-penicillamine CAS:52-67-5	C₅H₁₁NO₂S

Zinc supplements for preventing otitis media.
2012-01-01
[Cochrane Database Syst. Rev. 4 , CD006639, (2012)]

New structural motifs in lithium and zinc calix[4]arene chem...
2013-02-14
[Dalton Trans. 42(6) , 1983-6, (2013)]

Influence of trace elements on stabilization of aqueous solu...
2012-12-01
[Biol. Trace Elem. Res. 150(1-3) , 509-12, (2012)]

Resolution of cranial MRI and SPECT abnormalities in a patie...
2012-01-01
[Intern. Med. 51(13) , 1759-63, (2012)]

Tetany with Plasmodium falciparum infection.
2012-07-01
[J. Assoc. Physicians India 60 , 57-8, (2012)]