3-甲基-2-丁酮

对氯苯肼盐酸盐

4-氯苯肼

3-(4-chloro-phenyl)-5,5-dimethyl-4-methylene-oxazolidin-2-one

4,4-二甲基-5-亚甲基-1,3-二氧戊环-2-酮