2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-heptadecafluoro-n-pyridin-3-ylnonanamide (en)nonanamide, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-heptadecafluoro-n-3-pyridinyl- (en)