2640813-40-5

2,2',3,3',5,5',6,6'-octafluoro-[1,1'-biphenyl]-4,4'-dicarbaldehyde 1,1'-Biphenyl]-4,4'-dicarboxaldehyde, 2,2',3,3',5,5',6,6'-octafluoro- [1,1'-Biphenyl]-4,4'-dicarboxaldehyde, 2,2',3,3',5,5',6,6'-octafluoro- 2,2 ', 3,3', 5,5 ', 6,6' - octafluoro - [1,1 '- biphenyl] -4,4' - formaldehyde 2,2 ', 3,3', 5,5 ', 6,6' - octafluoro - [1,1 '- biphenyl] -4,4' - formaldehyde