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9H-Fluoren-9-one,1,3-difluoro-;
Fluoren-9-one,1,3-difluoro- (6CI,7CI,8CI);
1,3-Difluorofluorenone;
NSC 102376

C13H6F2O

9H-Fluoren-9-one,2,7-difluoro-;
Fluoren-9-one,2,7-difluoro- (8CI);
2,7-Difluorofluoren-9-one;
2,7-Difluorofluorenone;
NSC98102

C13H6F2O

9H-Fluoren-9-one,2,5-difluoro-;
Fluoren-9-one,2,5-difluoro- (7CI,8CI);
2,5-Difluoro-9-fluorenone;
NSC 57460

C13H6F2O

9H-Fluoren-9-one,2,6-difluoro-;
Fluoren-9-one,2,6-difluoro- (6CI,8CI);
NSC 73094

C13H6F2O

9H-Fluoren-9-one,2,4-difluoro-;
Fluoren-9-one,2,4-difluoro- (6CI,7CI,8CI);
NSC 409927

C13H6F2O

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