6-methoxy-3H-pyrido[2,3,4-kl]acridine

4-(4'-methylphenylthio)benzo[de][3,6]phenanthrolin-6(6H)-one

2-amino-1,4-dimethoxyacridone

2-acetylamino-1,4-dimethoxy-9-(trimethylsilylethynyl)acridine

2-acetylamino-1,4-dimethoxy-9-(trifluoromethylsulfonyloxy)acridine