57598-88-6
3-羟基奎宁-3-羧酸甲酯
→
31539-88-5
Methyl 1-azabicyclo[2.2.2]oct-2-ene-3-carboxylate
106037-35-8
1-azabicyclo[2.2.2]oct-2-ene-3-carbonitrile