title: A chemical-modification approach to the olfactory code.
mesh_terms: D000818:Animals; D001001:Anura; D008634:Mersalyl / Q000378:metabolism; D008722:Methods; D009812:Odorants; D009831:Olfactory Mucosa / Q000502:physiology*; D011955:Receptors, Drug / Q000502:physiology*; D012903:Smell
chemical_list: D011955:Receptors, Drug; D008634:Mersalyl