128651-50-3 2-(1,3-Dihydro-1,3-dioxo-2H-benz(f)isoindol-2-yl)ethyl trifluoromethanesulfonate 2-(2,3-Naphthalimino)ethyl trifluoromethanesulfonate 2-Nie-tfms Methanesulfonic acid, trifluoro-, 2-(1,3-dihydro-1,3-dioxo-2H-benz(f)isoindol-2-yl)ethyl ester