Key wordsmrm, scan, urine, target, metabolites, non, tms, data, metabolomics, analysis, discovery, targeted, alone, demerit, using, mrmtm, problem, validation, merit, sim, detected, lauric, myristic, decanoic, quantitation, octanoic, biomarker, solve, candidates, discover, item, markers, caffeine, without, cid, smart, bio, replicate, poor, experiment, novel, quantify, created, limitation, limited, warranties, expected, kind, measurements, warranty