1,3-dimethyl-N-(5-nitro-1,3-thiazol-2-yl)imidazolidin-2-imine

3-吡啶甲酸酐

N-methyl-N-[2-[methyl(pyridine-3-carbonyl)amino]ethyl]pyridine-3-carboxamide

N-苄基-N,N’-二甲基乙二胺

1,4-dimethylhexahydro-1H-1,4-diazepin-6-ol