Photoresist Chemicals Piperidine, 1-[[5-(2,5-dioxo-1-pyrrolidinyl)-1-naphthalenyl]sulfonyl]-4-(8-methyl-2-ox o-2H-3,1-benzoxazin-1(4H)-yl)- Cas：844690-85-3 Molecular Formula：C28H27N3O6S