picolinuric acid

pic·o·li·nur·ic ac·id

(pik'ō-li-nūr'ik as'id),
N-Picolinoylglycine; the amide, with glycine, of picolinic acid; a hippuric acid analogue in which picolinic acid, rather than benzoic acid, is conjugated with glycine and excreted.