title: [Synthesis of pyrazolone derivatives. XLII. Synthesis and analgesic activity of 2-methyl-1-phenyl-6,7-dihydro-1H,5H-pyrazolo [5,1-b] [1,3] oxazin-8-ium bromide].
mesh_terms: D000700:Analgesics / Q000138:chemical synthesis*; D000818:Animals; D008297:Male; D051379:Mice; D011720:Pyrazoles / Q000138:chemical synthesis* / Q000494:pharmacology
chemical_list: C036920:2-methyl-1-phenyl-6,7-dihydro-1H,5H-pyrazolo(5,1-b)(1,3)oxazin-8-ium; D000700:Analgesics; D011720:Pyrazoles