乙基乙酸丙烯酯

N-(ethylcarbamothioylamino)formamide

1-(dipyridin-2-ylmethylideneamino)-3-ethylthiourea

1-ethyl-3-[(E)-(3-methyl-4-phenylpyridin-2-yl)methylideneamino]thiourea

1-(benzylideneamino)-3-ethylthiourea