1 Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN, 47907, USA.
2 Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Denver, 12850 East Montview Blvd., Aurora, CO, 80045, USA.
3 Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Denver, 12850 East Montview Blvd., Aurora, CO, 80045, USA. peter.anderson@cuanschutz.edu.
4 Department of Precision Instrument, Tsinghua University, Haidian District, Beijing, 100084, China.
5 Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN, 47907, USA. cooks@purdue.edu.
Unfortunately, after online publication, a formatting mistake was found in Table 1 (Chemical structures and MRM transitions used for quantitation). The original article has been corrected.