Synonyms: Benzene,(2,4-cyclopentadien-1-ylidenephenylmethyl)-;Fulvene, 6,6-diphenyl- (6CI);Methane, 2,4-cyclopentadien-1-ylidenediphenyl- (7CI,8CI);5-(Diphenylmethylene)-1,3-cyclopentadiene;6,6-Diphenylfulvene;6,6-Diphenylpentafulvene;Diphenylfulvene;NSC 402188;