ID | Structure and MS/MS Product Ions | Ion m/z | Diagnostic MRM Fragment Ions |
---|---|---|---|
Tofacitinib | 313 | MS2: 149, 165, 173, 229, 246, 272 | |
M1 | 299 | MS2: 135, 165, 215, 232 | |
M2 | 304 | MS2: 149, 156, 173, 229, 246, 256, 274 | |
M4 | 318 | MS2/MS3: 149, 173, 182, 229, 231, 246, 274 | |
M8 | 329 | MS2: 165, 189, 245, 262, 288 | |
M9 | 329 | MS2: 165, 189, 245, 262, 288, 301 | |
M11 | 345 | MS2: 165, 181, 278, 317 | |
M14 | 345 | MS2: 149, 197, 260, 278, 327 | |
M18 | 329 | MS2: 149, 177, 244, 280, 294, 311 | |
M20 | 489 | MS2: 149, 165, 313 | |
MS3: 149, 165, 173, 229, 246, 272 | |||
M22 | 343 | MS2: 165, 179, 248, 315 | |
M29 | 480 | MS2: 304 | |
MS3: 149, 156, 173, 229, 246, 256, 274 | |||
M31 | 320 | MS2: 156, 165, 190, 245, 262, 272, 290, 292 |
MRM, multiple reaction monitoring.