Photoresist Chemicals 3,6,9,12,15-Pentaoxapentacosan-1-ol, 18,18,19,19,20,20,21,21,22,22,23,23,24,24,25,25,25-heptadecafluoro pentamethyl-, acetate Cas：88243-09-8 Molecular Formula：C27H37F17O7