2-acetyl-3-oxobutanal,pentane-2,4-dione,ruthenium

3-乙酰基-2,2-二甲基环丙烷甲酰氯

4-溴-2-(甲硫基)吡啶

3-(氯甲基)苯甲醛

3-carbamoyl-1,1-dimethylurea