4-氧代-2-戊烯二酸 1,5-二甲酯

6-amino-5-methoxy-2-methoxycarbonylindole

5-methoxy-1H-pyrrolo[2,3 -f]quinoline-2,7,9-tricarboxylic acid trimethyl ester

7,9-二甲氧羰基-2-乙氧羰基-1H-吡咯并-[2,3-f]喹啉-4,5-二酮

2-ethyl 7,9-dimethyl 3-amino-4,5-dihydroxy-1H-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylate