2-氰基-N-[(甲基氨基)羰基]乙酰胺

N-甲基-N'-苯基胍

1-(2-氯乙酰基)-3-甲脲

N,4-dimethyl-1,3-oxazol-2-amine

N-(4,5-dimethyl-1,3-oxazol-2-yl)-N-methylacetamide