For the study, two types of rice were genetically altered to resist two common insect ___________, which usually require heavy use of pesticides to control.
【简答题】化合物(A)的分子式为C 7 H 6 O 3 ,它能溶于NaOH及Na 2 CO 3 水溶液,与FeCl 3 水溶液有颜色反应,与乙酸酐作用生成C 9 H 8 O 4 ,与甲醇作用生成香料物质C 8 H 8 O 3 。C 8 H 8 O 3 硝化后可得到两种一元硝化物。试推测化合物(A)的构造式。