1-Heptanesulfonamide, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,7-pentadecafluoro-N-(phenylmethyl)- 68298-10-2 EINECS 269-539-9 N-(Phenylmethyl)perfluoroheptanesulfonamide N-Benzyl-1,1,2,2,3,3,4,4,5,5,6,6,7,7,7-pentadecafluoroheptane-1-sulphonamide