Synonyms: Chromium,tetracarbonyl[1,2-ethanediylbis[diphenylphosphine-kP]]-, (OC-6-22)- (9CI); Chromium,tetracarbonyl[1,2-ethanediylbis[diphenylphosphine]-P,P']-, (OC-6-22)-;Chromium, tetracarbonyl[ethylenebis[diphenylphosphine]]- (7CI); Chromium,tetracarbonyl[ethylenebis[diphenylphosphine]]-, cis- (8CI); Phosphine,1,2-ethanediylbis[diphenyl-, chromium complex;Bis-1,2-diphenylphosphinoethanetetracarbonylchromium; NSC 193742;cis-Tetracarbonyl[ethylenebis[diphenylphosphine]]chromium