7-(3,5-dibromo-4-hydroxyphenethylamino)-1-tosyl-3,4-dihydropyrrolo[4,3,2-de]quinolin-8(1H)-one

8-chloro-6,7-dimethoxy-4-methyl-5-nitroquinoline

8-chloro-4-formyl-6,7-dimethoxy-5-nitroquinoline

5-amino-8-chloro-1,2,3,4-tetrahydro-6,7-dimethoxy-4-(dimethoxymethyl)quinoline

8-chloro-6,7-dimethoxy-4-(dimethoxymethyl)-5-nitroquinoline