Photoresist Chemicals TIANFU-CHEM 2-[(6-chloro-1,1,2,2,3,3,4,4,5,5,6,6-dodecafluorohexyl)oxyl]-1,1,2,2-tetrafluoroethanesulfonic acid,potassium salt Cas：73606-19-6 Molecular Formula：C8H Cl F16 O4 S . K