2,2-difluoro-2-(4,5,5-trifluoro-2,2-bis(trifluoromethyl)-1,3-dioxolan-4-yl)acetyl fluoride

phenylnitrene anion radical

perfluoro(1,4,4,7,7,9-hexamethyl-3,8-dioxa-2,5,6,9-tetra-azadec-5-ene)