Figure 1. The “omics” sciences.

Figure 2. One‐dimensional NOESY spectrum of urine acquired at 600 MHz.

Figure 3. Example of a two‐dimensional HMBC spectrum of urine acquired at 900 MHz. The zoomed area shows the aromatic region. It is possible to distinguish some aromatic peaks of hippurate (1), phenylacetylglycine (2), histidine (3), and meta‐hydroxypropionate (4).

Figure 4. Bucketing of a one‐dimensional NOESY spectrum.