N,N'-dipropylpropanediamide

2-苯基噻唑-4-甲酸乙酯

2-(4-甲氧基苯基)-噻唑-4-羧酸乙酯

ethyl 3-hydrazinylidene-2-oxopropanoate

乙基1,2,4-三嗪-5-羧酸酯