上游原料
1,3-DibromopropaneEthyl 2-bromoacetate; Ethyl bromoacetate3-pyridinylmethanamine; 3-pyridinylmethylamine1-(2,6-dihydroxyphenyl)-1-ethanone[3-(methoxymethoxy)phenoxy]methyl methyl ether; 1,3-bis(methoxymethoxy)benzene1-[2,6-bis(methoxymethoxy)phenyl]-1-ethanoneethyl 2-(2-acetyl-3-hydroxyphenoxy)acetateethyl 4-hydroxy-3-methyl-1-benzofuran-2-carboxylateethyl 4-(3-bromopropoxy)-3-methyl-1-benzofuran-2-carboxylate
