2-溴-1-乙氧基-4-硝基苯

(2-ethoxy-5-hydroxyphenyl)-triphenylphosphanium,iodide

3-ethylpyrrolidine-2,5-dione

6-ethoxy-2-nitro-3-phenyl-1-benzofuran

Ethyl 4-bromofuran-2-carboxylate