Photoresist Chemicals Pyrrolidine, 3-[[2-[(4-methoxyphenyl)methyl]-1-oxo-2,8-diazaspiro[4.5]dec-8-yl]meth yl]-4-phenyl-1-(5-pyrimidinylcarbonyl)-, (3S,4S)- Cas:848305-48-6 Molecular Formula:C32H37N5O3