Photoresist Chemicals 5H,7H-6,15a-Methanofuro[3′,2′:8,9]azacycloundecino[5,4-b]indole,4-ethoxy-1,2,3a,4,8,13,14,15-octahydro- (9CI) Cas:88607-18-5 Molecular Formula:C21H28 N2 O2