Photoresist Chemicals TIANU-CHEM_84696-73-1 // 1,2,3,4-Butanetetracarboxylicacid, 1-hexadecyl 2,3,4-tris(1,2,2,6,6-pentamethyl-4-piperidinyl) ester Cas：84696-73-1 Molecular Formula：C54H99 N3 O8