The substituted group on the bipyridyl ligand in complex 2 could lose C_2H_4 neutral molecule under a higher CID fragmentation (such as CID 110 V), and its single charge ion is more stable than its double charge ion.

• 而络合物2在较高的CID电压下(110V)会发生联吡啶环上取代基的中性C2H4小分子丢失；其单电荷离子比二价电荷离子稳定.