2-(p-Hydroxyphenyl)quinoline-4,3'-dicarboxylic acid

4-methyl-2H-[1,2,4]triazino[5,6-b]indole-3-thione

2-methyl-1-oxidoquinolin-1-ium-4-carboxylic acid

1-甲基-2-氧代-1,2-二氢-喹啉-4-羧酸

5,7-二溴靛红