Iodinated derivatives of histamine and N-acetylhistamine.
D000818:Animals; D006168:Guinea Pigs; D006632:Histamine / Q000138:chemical synthesis* / Q000494:pharmacology; D007082:Ileum / Q000187:drug effects; D066298:In Vitro Techniques; D007455:Iodine; D009119:Muscle Contraction / Q000187:drug effects
D006632:Histamine; D007455:Iodine