N-[6-(2-chloroethoxy)-4,4-dimethoxy-5-benzofuranyl]-N'-methylurea

甲胺

2,2,2-trichloroethyl 10-hydroxydecanoate

凯林酮

5-[1-(hydroxyamino)ethylidene]-4,7-dimethoxy-1-benzofuran-6-one