1H-Cyclopenta[b]quinoline-9-carboxylic acid, 2,3-dihydro-3-[(4-hydroxyphenyl)methylene]-
2,3-Dihydro-3-[(4-hydroxyphenyl)methylene]-1H-cyclopenta[b]quinoline-9-carboxylic acid
3-[(4-Hydroxyphenyl)methylidene]-1H,2H,3H-cyclopenta[b]quinoline-9-carboxylic acid