p. 3259 - 3268
(2007/10/02)4,5-Dihydroxy-1H-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid trimethyl ester
5-[(4-Nitro-phenyl)-hydrazono]-4-oxo-4,5-dihydro-1H-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid trimethyl ester
Dimethyl 5'-oxo-7'-(((6-(tritylthio)hexyl)oxy)carbamoyl)-1',5'-dihydrospiro[[1,3]dioxolane-2,4'-pyrrolo[2,3-f]quinoline]-2',9'-dicarboxylate
4,5-dihydro-5-hydroxy-4-oxo-5-(2-oxopropyl)-1H-pyrrolo<2,3-f>quinoline-2,7,9-tricarboxylic acid
4,5-dihydroxy-4,5-dioxo-1H-pyrrolo{2,3-f}quinoline-2,7,9-tricarboxylic acid