Photoresist Chemicals Ethanone, 1-[1-[[1-(4-aminobutyl)-2-methyl-5-[4-(methylsulfonyl)phenyl]-1H-pyrrol-3 -yl]methyl]-4-(phenylmethyl)-4-piperidinyl]- Cas：583849-04-1 Molecular Formula：C31H41N3O3S