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. Author manuscript; available in PMC: 2016 May 16.
Published in final edited form as: Toxicology. 2012 Dec 3;313(2-3):145–150. doi: 10.1016/j.tox.2012.11.012

Table 1.

Selected SRM transitions

Adduct Ion transitiona
H2N-Val 374 → 262b
Me-Val 381 → 262b
Et-Val 396 → 116
ENU-Val 790 → 535c
HP-Val 403 → 130
HB-Val 409 → 142
pyr-Val 417 → 158
THB-Val 426 → 176
SO-Val 434 → 192
a

doubly charged precursor ion to a1-fragment

b

doubly charged precursor ion to y2-fragment

c

singly charged precursor ion to y5-fragment