Direct (LC-)MS Identification of Regioisomers from C–H Functionalization by Partial Isotopic Labeling - Christopher A. Sojdak; David A. Polefrone; Hriday M. Shah; Cassandra D. Vu; Brandon J. Orzolek; Pedro M. Jimenez Antenucci; Micah Valadez Bush; Marisa C. Kozlowski (ACS Central Science, 2025)