N,N'-二(氨基亚胺甲基)-L-胱氨酸

methyl N'-diethoxyphosphinothioylcarbamimidothioate

Ethyl 2-(methylsulfanyl)-4-phenyl-5-pyrimidinecarboxylate

2-[3-[4-[3-(diaminomethylideneamino)propylamino]butylamino]propyl]guanidine

N-乙基胍