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. Author manuscript; available in PMC: 2009 Apr 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2008 Jan 31;19(4):569–585. doi: 10.1016/j.jasms.2008.01.007

Table 6.

High-resolution accurate mass measurements by IRMPD FTICR for biological samples.

Measured Ions (m/z) Calculated Ions (m/z) Error (ppm) Elemental Composition
353.23141 353.23335 −5.5 C20H33O5−1
317.21112 317.21222 −3.5 C20H29O3−1
299.20090 299.20165 −2.5 C20H27O2−1
273.22148 273.22239 −3.5 C19H29O −1
235.13307 235.13397 −3.8 C14H19O3−1
207.13821 207.13905 −4.1 C13H19O2−1
205.12257 205.12340 −4.0 C13H17O2−1
197.11747 197.11832 −4.3 C11H17O3−1
167.10673 167.10775 −6.1 C10H15O2−1
157.12265 157.12340 −4.8 C9H17O2−1
139.11211 139.11284 −5.2 C9H15O −1
85.02898 85.02950 −6.1 C4H5O 2−1