HCID53814737Ethyl α-(ethoxymethylene)-2,5-difluoro-3-methyl-4-nitro-β-oxobenzenepropanoateCAS 208166-52-3 · CID 53814737 · C15H15F2NO6CCOC=C(C(=O)OCC)C(=O)c1cc(F)c([N+](=O)[O-])c(C)c1F查看