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菸碱酸
菸鹼酸
yānjiǎnsuān
1. niacin (vitamin B3)
2. 3-Pyridinecarboxylic acid C6H5NO2
3. nicotinic acid

Character Breakdown

菸
yān
tobacco, dried leaves; to fade
11 丶
碱
jiǎn
alkaline, alkali, lye, salt
14 丶
酸
suān
tart, sour; spoiled; acid
HSK 4 14 丶

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Chinese