N,N'-羰基二咪唑

(4-nitrophenyl) 2-oxo-3-phenylimidazolidine-1-carboxylate

2,3-dihydro-1H-cyclohepta[b]pyrazine

2-methyl-1-phenyl-4,5-dihydroimidazole

3-phenyl-oxazolidin-2-ylideneamine