title: An acetylcholine antagonist from the mucous secretion of the dorid nudibranch, Doriopsilla albopunctata.
mesh_terms: D000109:Acetylcholine / Q000037:antagonists & inhibitors*; D000818:Animals; D055598:Chemical Phenomena; D002621:Chemistry; D006168:Guinea Pigs; D066298:In Vitro Techniques; D008974:Mollusca / Q000502:physiology*; D009093:Mucus / Q000502:physiology*; D009119:Muscle Contraction / Q000187:drug effects; D011817:Rabbits; D014020:Tissue Extracts / Q000494:pharmacology* / Q000633:toxicity
chemical_list: D014020:Tissue Extracts; D000109:Acetylcholine