[On the effect of the pyridine-3-carboxylic acid bis-ester of morphine as an analgesic. Part 2].
D000700:Analgesics; D002264:Carboxylic Acids; D009022:Morphine Derivatives; D011725:Pyridines
D000700:Analgesics; D002264:Carboxylic Acids; D009022:Morphine Derivatives; D011725:Pyridines; C023666:pyridine
MORPHINE/related compounds