Figure 6. The 13C-NMR-spectrum of aspartame where the resonances are assigned to the different carbon atoms. The full spectrum is shown in S-2 Figure S2

From

A Complete Structure Investigation of an Organic Molecule for Chemistry Students; An Analysis of Aspartame

Marit Kristin Leiren, Kari Grete Nordli Børve, Rhiannon Tveiten Lewis, Signe Steinkopf

American Journal of Educational Research. 2026, 14(8), 248-256 doi:10.12691/education-14-8-1