Figure 1. 1 H NMR Spectrum of DMA, demonstrating that the two N–methyl groups have different chemical shifts. Image Credit: Nanalysis Corp. Scheme 2. Resonance structures of DMA, the ...

Figure 1. 1 H NMR Spectrum of DMA, demonstrating that the two N–methyl groups have different chemical shifts. Image Credit: Nanalysis Corp. Scheme 2. Resonance structures of DMA, the hybridization ...