\BOOKMARK [1][-]{section.1}{The data}{}% 1 \BOOKMARK [1][-]{section.2}{Parent compound and one metabolite}{}% 2 \BOOKMARK [1][-]{section.3}{Including metabolites Z2 and Z3}{}% 3 \BOOKMARK [1][-]{section.4}{Using the SFORB model for parent and metabolites}{}% 4