4-bromo-2-ethenyl-1-nitrobenzene

2-[(5-bromo-2-nitrophenyl)methylidene]propanedioic acid

6-溴喹啉-3-甲醛

6-溴-2-甲基喹啉-3-羧酸乙酯

ethyl 6-bromoquinoline-3-carboxylate