烟酸

Traditional form:

煙酸

Pinyin (reading):

yānsuān

Definitions:

• niacin (vitamin B3)
• 3-Pyridinecarboxylic acid C6H5NO2
• nicotinic acid

Characters:

• 烟 - smoke, soot; opium; tobacco, cigarettes
• 酸 - tart, sour; spoiled; acid

Traditional characters:

• 煙 - smoke, soot; opium; tobacco, cigarettes
• 酸 - tart, sour; spoiled; acid