1-pyridin-2-ylbutane-1,3-dione

4-[(乙氧基羰基)甲基]-4-羟基哌啶-1-羧酸叔丁酯

4-环己基-2,6-二硝基-苯酚

4-methylhepta-1,6-diyn-4-ol

N-羟基-alpha-苯基-苯乙酰胺