ethyl 4-(4-bromobutoxy)-3-methyl-1-benzofuran-2-carboxylate

1-(4-溴丁氧基)-3-甲氧基苯

4-(4-bromobutoxy)-6-(4-fluorophenyl)-2-methylpyrimidine

N,N,N',N'-四乙基-1,4-丁烷二胺

1-tert-butylcyclopentan-1-ol