12H-benzo[4',5']thieno[3',2':4,5]cyclopenta[1,2-b]quinoline

2-[(2-oxoindol-3-yl)amino]guanidine

2-ethylquinoline-4-carboxylic acid

2-quinolin-2-yl-1,3-benzothiazole

(3Z)-3-[2-(4-chlorophenyl)-2-oxoethylidene]-1H-indol-2-one