6948-30-7
3-溴-4,5-二甲氧基苯甲醛
→
112374-25-1
5-ethenyl-2,3-dimethoxybenzoyl chloride
80155-95-9
4,11-二氯奎并[2,3-b]吖啶-6,7,13,14(5H,12H)-四酮