1-乙基-3(3-二甲基氨基)脲

4-甲氧基苯脲

3-p-methoxyphenyl-4,5-dihydro-1,2,4-oxadiazol-5-one

3-p-methoxyphenyl-4,5-dihydro-1,2,4-thiadiazol-5-one

N',N''-(carbonylbis(oxy))bis(4-methoxybenzimidamide)