2-硫代乙内酰脲

ethyl 2-(aminocarbamothioylamino)acetate

ethyl 2-(4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl)acetate

苯基乙内酰脲-甘氨酸

ethyl 2-((4Z,5Z)-3-phenyl-4,5-bis(phenylimino)-2-thioxoimidazolidin-1-yl)acetate