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                        1,3-Cycloheptadiene, 1,2,4,5,5,6,6,7,7-nonafluoro-CAS:89537-38-2Formula:C7HF9 
                     
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                        1,3-Cycloheptadiene, 1,2,3,5,5,6,6,7,7-nonafluoro-CAS:38126-95-3Formula:C7HF9 
                     
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                        1,4-Cycloheptadiene, 1,2,3,3,4,6,6,7,7-nonafluoro-CAS:38126-96-4Formula:C7HF9 
                     
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                        1,4-Cycloheptadiene, 1,2,3,3,5,6,6,7,7-nonafluoro-CAS:38126-97-5Formula:C7HF9 
                     
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                        1,3-Cycloheptadiene, 1,2,3,4,5,5,6,6,7-nonafluoro-CAS:38126-98-6Formula:C7HF9 
                     
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                        1,4-Cycloheptadiene, 1,2,3,3,4,5,6,6,7-nonafluoro-CAS:38126-99-7Formula:C7HF9 
                     
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                        Bicyclo[3.2.0]hept-6-ene, 1,2,2,3,3,4,4,5,6-nonafluoro-CAS:85625-42-9Formula:C7HF9 
                     
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                        Bicyclo[3.2.0]hept-6-ene, 1,2,2,3,3,4,4,6,7-nonafluoro-CAS:91873-65-3Formula:C7HF9 
                     
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                        1,4-Cyclohexadiene, 1,3,3,4,6,6-hexafluoro-2-(trifluoromethyl)-CAS:16825-99-3Formula:C7HF9 
                     
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                        Bicyclo[2.2.1]hept-2-ene, 1,2,3,5,5,6,6,7,7-nonafluoro-CAS:5074-57-7Formula:C7HF9