3,4-Dihydroxybenzylamine hydrobromide inhibits DNA polymerase activity in melanoma cells and displays growth inhibitory activity in melanoma cell lines with varying degrees of tyrosinase activity.

Ethaselen (BBSKE) is an orally active and selective thioredoxin reductase 1 (TrxR) inhibitor with anticancer activity that directly inhibits TrxR1 activity and is commonly used in combination with oxaliplatin to inhibit tumor growth.

Piperazine citrate, an organic compound, consists of a six-membered ring, containing two nitrogen atoms at opposite positions in the ring.