N-[1-(2-chloroethyl)-4,5-dihydroimidazol-2-yl]nitramide

1,2,3,4-四氢屈-1-酮

2-(sulfinylamino)benzoyl chloride

2-氯-2,4,6-环庚三烯-1-酮

4-ethylidene-2-phenyl-1,3-oxazol-5-one