7-硝基吲唑

3-溴-2-羟基苯甲醛

3-氧代-3,4-二氢-2H-苯并[b][1,4]噁嗪-8-甲醛

ethyl 6-(2-methoxyvinyl)-4H-benzo[b]imidazo[1,5-d][1,4]oxazine-3-carboxylate

(2-Amino-6-formylphenoxy)acetic acid