Synthesis of novel analgesic agents. II. Pyrazolidines with nonoxygenated phenyl substituents.
D000700:Analgesics / Q000138:chemical synthesis*; D007259:Infrared Rays; D009682:Magnetic Resonance Spectroscopy; D008745:Methylation; D011720:Pyrazoles / Q000138:chemical synthesis*; D013057:Spectrum Analysis; D013329:Structure-Activity Relationship
D000700:Analgesics; D011720:Pyrazoles