Ornidazole-13C2,15N2 is the 13C, 15N labeled Ornidazole. Ornidazole (Ro 7-0207) is a nitroimidazole derivative with anti-trichomonad activity and in vitro activity against a variety of anaerobic bacteria. Ornidazole inhibits Sonic hedgehog (Shh) signaling pathway, exhibits antitumor activity. Ornidazole can be used in research of Crohns disease[1][2][3].