3H-Dibenz(f,ij)isoquinoline-1-carboxylic acid, 6-bromo-2,7-dihydro-3-methyl-2,7-dioxo-, ethyl ester 6-Bromo-1-(ethoxycarbonyl)-3-methyl-7H-dibenz(f,ij)isoquinoline-2,7(3H)-dione 71205-38-4 NSC 227204