Can you recognize linoleic acid, serotonin, 3-indolepropionic acid, indoxyl sulfate, pyrocatechol sulfate, 4-hydroxybenzenesulfonic acid, kynurenine, chenodeoxycholic acid, trimethylamine oxide (TMAO), 5-aminovaleric acid betaine (5-AVAB) and queuine? (Click link below the figure for correct answers!)