methyl N,N'-dibenzoylcarbamimidothioate

2-[8-(diaminomethylideneamino)octyl]guanidine

N,N-二甲基胍

1,4-二氢-2-甲巯基-4-氧代-5-嘧啶甲酸乙酯

N-(2-二乙基氨基乙基)-胍