Photoresist Chemicals Pyrrolidine, 3-[[2-[(4-bromophenyl)methyl]-1-oxo-2,8-diazaspiro[4.5]dec-8-yl]methyl] -4-phenyl-1-(phenylsulfonyl)-, (3R,4R)-rel- Cas：848305-17-9 Molecular Formula：C32H36BrN3O3S