TABLE 2

LC-MS data for 1 and its metabolites (M1–M7) in liver microsomes and cryopreserved hepatocytes from rat, dog, and human

CompoundtR (min)aObserved ([M + NH4]+)bLC-MSn fragments, m/z
min
M6a11.6602.16404MS2 on m/z 602.16404: 409.1049, 301.0626, 207.0207; MS3 on m/z 602 → 409: 301.0626, 207.0207, 107.0491
M711.9442.12MS2 on m/z 442.12: 424/37, 397.19, 299.08, 271.20
M6b12.2602.16401MS2 on m/z 602.16401: 409.1049, 301.0626, 207.0207; MS3 on m/z 602 → 409: 301.0626, 207.0207, 107.0491
M6c12.3602.16402MS2 on m/z 602.16402: 409.1049, 301.0626, 207.0207; MS3 on m/z 602 → 409: 301.0626, 207.0207, 107.0491
M813.9646.19MS2 on m/z 646.19: 470.06, 453.12, 345.04, 207.14; MS3 on m/z 426 → 453: 345, 297; MS4 on m/z 453 → 345: 207, 151, 139, 123
M215.9426.1320MS2 on m/z 426.1320: 409.1050, 301.0626; MS3 on m/z 426 → 409: 301.0628; MS4 on m/z 426 → 409 → 301: 207.0208, 107.4914
M117.3470.1580MS2 on m/z 470.1580: 435.1204; MS3 on m/z 470 → 435: 407.0891, 299.0470, 243.0209
M318.1470.1583MS2 on m/z 470.1583: 453.1311, 345.0889, 207.0206, 151.0755; MS3 on m/z 470 → 435: 207.0208, 151.0754, 139.0754, 123.0440
M5a18.7630.1952MS2 on m/z 630.1952: 437.1362, 329.0940, 135.082
M5b19.1630.1954MS2 on m/z 630.1954: 437.1362, 329.0940, 135.0802
M420.1470.15MS2 on m/z 470.15: 435.0; MS3 on m/z 470 → 435: 417.1, 369.1, 329.0, 207.1, 135.1
M5c20.6630.1953MS2 on m/z 630.1953: 437.1362, 329.0940, 135.0802
PF-0497172931.0454.1632MS2 on m/z 454.1632: 437.1359; 329.0939; MS3 on m/z 454 → 329: 273.0677, 207.0206, 135.0802
  • a Under HPLC conditions listed under Materials and Methods.

  • b Accurate mass data for PF-04971729 and its metabolites was generated using Orbitrap MS.