title: A possible new sclerotization agent in the cockroach cuticle.
mesh_terms: D000818:Animals; D002247:Carbon Isotopes; D002686:Chitin / Q000378:metabolism; D002854:Chromatography, Paper; D004586:Electrophoresis; D007313:Insecta / Q000378:metabolism*; D009638:Norepinephrine / Q000378:metabolism*
chemical_list: D002247:Carbon Isotopes; D002686:Chitin; D009638:Norepinephrine