甲基对硫磷

ethyl 2-[[5-(2,4-dichlorophenyl)furan-2-yl]methylidene]-5-(4-methoxyphenyl)-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate

甲醇

dimethyl 7-oxabicyclo[2.2.1]hepta-2(3),5(6)-diene-2,3-dicarboxylate

Bicyclo[4.2.0]octa-1,3,5-triene-7,8-dione