\contentsline {section}{\numberline {1}The data}{1}{section.1} \contentsline {section}{\numberline {2}Parent compound and one metabolite}{2}{section.2} \contentsline {section}{\numberline {3}Including metabolites Z2 and Z3}{8}{section.3} \contentsline {section}{\numberline {4}Using the SFORB model for parent and metabolites}{12}{section.4}