Photoresist Chemicals 4-Piperidinone, 1-[(2R)-2-[8-(2,4-difluorophenoxy)-1,3-dihydro-1-oxo-2H-2-benzazepin- 2-yl]-3-methyl-1-oxobutyl]- Cas：881211-60-5 Molecular Formula：C26H26F2N2O4