Synonyms: | APA-1042;[[(4a,4b,8a,9,9a-η)-2,7-Bis(1,1-dimethylethyl)-9H-fluoren-9-ylidene][bis(4-methylphenyl)methylene](η5-2,4-cyclopentadien-1-ylidene)]dichlorozirconium;Di(p-tolyl)methylene(η5-cyclopentadienyl){η5-(2,7-ditert-butylfluorenyl)}zirconium dichloride;){η5-(2,7-ditert-butyL;ene(η5-cycL |