Photoresist Chemicals 1H-Azepine-1-butanoicacid, hexahydro-,3-(1,2-dimethylheptyl)-7,8,9,10-tetrahydro-6,6,9-trimethyl-6H-dibenzo[b,d]pyran-1-ylester Cas:58019-65-1 Molecular Formula:C35H55 N O3