Photoresist Chemicals 2-Butenoic acid, 4-oxo-4-[(phenylmethyl)amino]-, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecyl ester, (E)- Cas:91655-28-6 Molecular Formula:C21H14F17NO3