Photoresist Chemicals 1,3,8-Triazaspiro[4.5]decan-4-one, 8-[(4-ethyl-2,5-dihydro-2-methyl-5-oxo-1-phenyl-1H-pyrazol-3-yl)methyl]- 1-phenyl- Cas：897670-56-3 Molecular Formula：C26H31N5O2