N'-hydroxy-2-methyl-1-benzofuran-5-carboximidamide 、
3,4-二乙氧基苯甲酸 、
N-hydroxy-3-iodo-4-isopropoxybenzimidamide 、
3-氯-4-丙氧基苯甲酸 以respectively, in Example 36, Step B, the similar procedure afforded the title compound in 6% yield的产率得到5-(3,4-diethoxyphenyl)-3-(2-methylbenzofuran-5-yl)-1,2,4-oxadiazole