834880-66-9 3,7-Hexadecadiene-1,2,5,5-tetracarboxylic acid,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,16-heptadecafluoro- 834880-69-2 Propanedioic acid,(4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-heptadecafluoro-2-iodoundecyl)-2-propenyl-, diethyl ester