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Pharmaceutical and Healthcare Online Databases.
Over 100,000 approved drugs and health products.
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Level 3
N - Nervous System
N02 - Analgesics
N02C - Antimigraine Preparations
N02CA - Ergot alkaloids
N02CB - Corticosteroid derivatives
N02CC - Selective serotonin (5HT1) agonists
N02CX - Other antimigraine preparations
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