h ch sub 2 ccho ch sub 3 cf sub 3 no sub 2 f h ch sub 2 ccho ch sub 3 cf sub 3 ch sub 3 f h ch sub 2 ccho ch sub 3 cf sub 3 ch sub 2 ch sub 3 f h ch sub 2 ccho ch sub 3 cf sub 3 ch sub 2 ch sub 2 ch sub 3 f h ch sub 2 ccho ch sub 3 cf sub 3 ch ch sub 3 sub 2 f h ch sub 2 ccho ch sub 3 cf sub 3 cf sub 3 f h ch sub 2 ccho ch sub 3 cf sub 3 hoch sub 2 f h ch sub 2 ccho ch sub 3 cf sub 3 cl f h ch ch sub 3 ccho ch sub 3 cf sub 3 cl f h ch sub 2 chch sub 2o ch sub 3 cf sub 3 cl f h ch sub 2 cno ch sub 3 cf sub 3 cl f h ch sub 2 ch sub 3o ch sub 3 cf sub 3 cl f h ch sub 2 ch sub 2 ch sub 3o ch sub 3 cf sub 3 ch sub.