Figure 3.

1H NMR spectra of 2-hydroxyethanaminium formate synthesized. (a) At 0°C, (b) at 80°C, and (c) the resultant1H NMR from (a) upon heating at 170°C for 4 h.

Lee et al. Nanoscale Research Letters 2013 8:414   doi:10.1186/1556-276X-8-414
Download authors' original image