4-(4-吡啶)苯甲酸甲酯

4-(2-吡啶基)-苯甲酸甲酯

4-(3-吡啶)苯甲酸甲酯

1,3-diiodobicyclo[1.1.1]pentane

1-(1-pyridinio)-3-iodobicyclo[1.1.1]pentane iodide