Photoresist Chemicals Benzoic acid, 4-[3-[5-chloro-2-[2-[[[[4′-(dimethylamino)[1,1′-biphenyl]-2-yl]methyl]sulfon yl]amino]ethyl]-1-(diphenylmethyl)-1H-indol-3-yl]propyl]- Cas:916136-22-6 Molecular Formula:C48H46ClN3O4S