Extended Data Fig. 1: Multiplicity-edited HSQC of acetylated MCC.

Multiplicity-edited HSQC of acetylated MCC showing significant peak superposition ([P₄₄₄₄][OAc]:DMSO-d₆ 1:4 wt%, 65 °C, 5 wt%; 600 MHz ¹H frequency. For multiplicity edited HSQC green = CH, blue = CH₂).