1,1,1,3,3,4,4,5,5,6,6-undecafluorohexan-2-one

2,3-difluoro-2,3-bis(trifluoromethyl)oxirane

2,3-二氢-4-三氟乙酰基呋喃

N,N'-[ethane-1,1-diylbis(oxyethane-2,1-diyl)]bis(2,2,2-trifluoroacetamide)