Photoresist Chemicals Benzenesulfonamide, N-[2-[[4-[3-(4-chlorophenyl)-4,5-dihydro-1H-pyrazol-1-yl]phenyl]sulfonyl] ethyl]-4-methyl-N-octadecyl- Cas:24032-81-3 Molecular Formula:C42H60ClN3O4S2