Photoresist Chemicals Methanone, [1-ethyl-5-[[(4-methylphenyl)sulfonyl]oxy]-1H-pyrazol-4-yl][2-[(5-methoxy- 1,3-dimethyl-1H-pyrazol-4-yl)methyl]phenyl]- Cas：827323-63-7 Molecular Formula：C26H28N4O5S