This PDF file includes:

• section S1. SABRE-RELAY polarization transfer method with NH₃
  
• section S2. SABRE-RELAY polarization transfer method with BnNH₂ or PEA
  
• section S3. Polarization enhancement quantification procedures
  
• section S4. NMR spectrometer details
  
• section S5. Pulse sequence details
  
• section S6. SABRE-RELAY spectra
  
• fig. S1. INEPT pulse sequence.
  
• fig. S2. DEPT pulse sequence.
  
• fig. S3. SABRE-RELAY NMR spectra methanol.
  
• fig. S4. SABRE-RELAY NMR spectra ethanol.
  
• fig. S5. SABRE-RELAY NMR spectra propanol.
  
• fig. S6. SABRE-RELAY NMR spectra propanol, low concentration.
  
• fig. S7. SABRE-RELAY NMR spectra butanol.
  
• fig. S8. SABRE-RELAY NMR spectra pentanol.
  
• fig. S9. SABRE-RELAY NMR spectra hexanol.
  
• fig. S10. SABRE-RELAY NMR spectra heptanol.
  
• fig. S11. SABRE-RELAY NMR spectra octanol.
  
• fig. S12. SABRE-RELAY NMR spectra isopropanol.
  
• fig. S13. SABRE-RELAY NMR spectra tert-butanol.
  
• fig. S14. SABRE-RELAY NMR spectra D-glucose.
  
• fig. S15. SABRE-RELAY NMR spectra D-glucose-¹³C.
  
• fig. S16. SABRE-RELAY NMR spectra glycerol.
  
• fig. S17. SABRE-RELAY NMR spectra sodium acetate-¹³C.
  
• fig. S18. SABRE-RELAY NMR spectra sodium pyruvate-¹³C.
  
• fig. S19. SABRE-RELAY NMR spectra sodium acetate-1,2 ¹³C2.
  
• fig. S20. SABRE-RELAY NMR spectra propionic acid-¹³C.
  
• fig. S21. SABRE-RELAY NMR spectra sodium hydrogen carbonate-¹³C.
  
• fig. S22. SABRE-RELAY NMR spectra urea-¹³C.
  
• fig. S23. SABRE-RELAY NMR spectra urea-¹³C-¹⁵N2.
  
• fig. S24. SABRE-RELAY NMR spectra urea-¹³C-¹⁵N2.
  
• fig. S25. SABRE-RELAY NMR spectra acetamide.
  
• fig. S26. SABRE-RELAY NMR spectra methacrylamide.
  
• fig. S27. SABRE-RELAY NMR spectra cyclohexyl methacrylamide.
  
• fig. S28. SABRE-RELAY NMR spectra mono sodium dihydrogen orthophosphate.
  
• fig. S29. SABRE-RELAY NMR spectra adenosine 5′-triphosphate disodium salt.
  
• fig. S30. SABRE-RELAY NMR spectra ammonia in methanol.
  
• fig. S31. SABRE-RELAY NMR spectra ammonia in dichloromethane.
  
• fig. S32. SABRE-RELAY NMR spectra benzylamine.
  
• fig. S33. SABRE-RELAY NMR spectra benzylamine-¹⁵N.
  
• fig. S34. SABRE-RELAY NMR spectra, mixture of urea, propanol, and PEA.
  
• table S1. Alcohol ¹H SABRE-RELAY signal enhancement values.
  
• table S2. Alcohol ¹³C SABRE-RELAY signal enhancement values.
  
• table S3. NMR data for 2-NH₃.
  
• table S4. NMR data for 2-BnNH₂.

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