3-(1,3-benzothiazol-2-yl)chromen-2-one

2-(4-氯苯氧基乙酰氨基)-3-乙氧羰基噻吩并(2,3-b)奎宁环

N-(tert-Butyl)-2-cyanoacetamide

ethyl 2-[1-(2-amino-2-oxoethyl)pyrrolidin-2-ylidene]-2-cyanoacetate

2-methylsulfanyl-4-oxo-6-thiophen-2-yl-1H-pyrimidine-5-carbonitrile