title: Analgetics based on the pyrrolidine ring. 6.
mesh_terms: D000700:Analgesics / Q000008:administration & dosage / Q000138:chemical synthesis* / Q000494:pharmacology / Q000633:toxicity; D000818:Animals; D007274:Injections, Intraperitoneal; D007928:Lethal Dose 50; D008297:Male; D011759:Pyrrolidines / Q000008:administration & dosage / Q000138:chemical synthesis* / Q000494:pharmacology / Q000633:toxicity; D051381:Rats
chemical_list: D000700:Analgesics; D011759:Pyrrolidines