MS/MS spectrum  
 
 
 SRM transitions  
Transition ID Precursor m/z Precursor charge Fragment m/z Relative intensity
DFASYcSK.2.y1.1 489.205 2 147.113 100
DFASYcSK.2.b4.2 489.205 2 211.09 54
DFASYcSK.2.y6.1 489.205 2 715.308 53
DFASYcSK.2.y5.1 489.205 2 644.271 52
DFASYcSK.2.y3.1 489.205 2 394.175 51
DFASYcSK.2.y4.1 489.205 2 557.239 20