烟碱酸

Traditional form:

菸鹼酸

Pinyin (reading):

yānjiǎnsuān

Definitions:

• niacin (vitamin B3); nicotinic acid; Pyridine-3-carboxylic acid C6H5NO2

Characters:

• 烟 - smoke, soot; opium; tobacco, cigarettes
• 碱 - alkaline, alkali, lye, salt
• 酸 - tart, sour; spoiled; acid

Traditional characters:

• 菸 - tobacco, dried leaves; to fade
• 鹼 - alkaline, alkali, lye, salt
• 酸 - tart, sour; spoiled; acid