[On the effect of the pyridine-3-carboxylic acid diester of morphine as an analgesic].
D000700:Analgesics; D002264:Carboxylic Acids; D009022:Morphine Derivatives; D009525:Niacin / Q000031:analogs & derivatives; D009539:Nicotinic Acids; D011725:Pyridines
D000700:Analgesics; D002264:Carboxylic Acids; D009022:Morphine Derivatives; D009539:Nicotinic Acids; D011725:Pyridines; D009525:Niacin; C023666:pyridine
MORPHINE/related compounds; NICOTINIC ACID/related compounds