Synonyms: Nickel,dibromo[1,2-ethanediylbis[diphenylphosphine]-P,P']-, (SP-4-2)-; Nickel, dibromo[ethylenebis[diphenylphosphine]]-(7CI); Nickel, dibromo[ethylenebis[diphenylphosphine]]-, cis- (8CI); Phosphine,1,2-ethanediylbis[diphenyl-, nickel complex;Dibromo(1,2-bis(diphenylphosphino)ethane)nickel;Dibromo[1,2-ethanediylbis[diphenylphosphine-kP]]nickel;Dibromo[bis(diphenylphosphino)ethane]nickel;Dibromo[ethylenebis[diphenylphosphine]]nickel; NSC 193725;[1,2-Bis(diphenylphosphino)ethane]dibromonickel;dibromo[1,2-ethanediylbis[diphenylphosphine]]nickel