Figure 3.

Theoretical isotope distribution for celecoxib at (A) 10 000 resolving power and zoom of the +2, +3, and +4 isotope peak at (B) 50 000 and (C) 500 000 resolving power (FWHM), calculated with Thermo XCalibur 3.0

Theoretical isotope distribution for celecoxib at (A) 10 000 resolving power and zoom of the +2, +3, and +4 isotope peak at (B) 50 000 and (C) 500 000 resolving power (FWHM), calculated with Thermo XCalibur 3.0