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The Anatomical Therapeutic Chemical (ATC) classification system
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Level 5
C - Cardiovascular systemC04 - Peripheral vasodilatorsC04A - Peripheral vasodilatorsC04AC - Nicotinic Acid and derivativesC04AC02 - Nicotinyl Alcohol (Pyridylcarbinol)
Nicotinyl Alcohol (Pyridylcarbinol)
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