4,4-bis(methylsulfanyl)but-3-en-2-one

1-[2-(二苯基甲氧基)乙基]胍

N,N'-二(氨基亚胺甲基)-L-胱氨酸

methyl N'-(phenylcarbamothioyl)carbamimidothioate

N-硝基-S-甲基异硫脲