Photoresist Chemicals Pyrrolidine, 3-[[2-[(4-bromophenyl)methyl]-1-oxo-2,8-diazaspiro[4.5]dec-8-yl]methyl] -4-phenyl-1-(2-pyridinylcarbonyl)-, (3R,4R)-rel- Cas:848304-33-6 Molecular Formula:C32H35BrN4O2