λ²-azanylbenzene

N-phenylacetamide anion

phenyl(2,2,2-trifluoroacetyl)amide

1,1,3,3,3-pentafluoro-2-methylprop-1-ene

1,1,1,5,5,5-六氟-2-羟基-2-甲基-4-戊酮