1,1,5,5-Tetrakis(trifluoromethyl)-2-pentene-1,5-diol

1,1,1,7,7,7-hexafluoro-2,6-bis(trifluoromethyl)hept-3-ene-2,6-diol

1,1,1,7,7,7-HEXAFLUORO-2,6-BIS(TRIFLUOROMETHYL)-3-HEPTENE-2,6-DIOL