Photoresist Chemicals Pyrrolidine, 3-[[2-[(4-bromophenyl)methyl]-1-oxo-2,8-diazaspiro[4.5]dec-8-yl]methyl] -1-[(2-methoxyphenyl)acetyl]-4-phenyl-, (3R,4R)-rel- Cas：848304-43-8 Molecular Formula：C35H40BrN3O3