5-(吡啶-4-基)-4H-1,2,4-三唑-3-胺

3-methyl-5-oxo-4H-pyrazole-1-carboximidamide

2,3-Diamino-6-methyl-4(3H)-pyrimidinone

2-[(2-oxoindol-3-yl)amino]guanidine

3-氧丁酸