fig2

Figure 2. Sunburst chart with grouping according to the levels: Superclass > Class > Subclass > Parent Level 1 > Parent Level 2 > Common Name. The identification level of the compounds ranged from 1 to 3. Some selected compounds have been annotated in the figure. An interactive HTML version of this chart is available in the Supplementary Figure 2. ATBC: Acetyl tributyl citrate; PCBs: polychlorobiphenyls; PEGs: polyethylene glycols; TDI: toluene diisocyanates.