菸
碱
酸
y
ā
n
j
i
ǎ
n
s
u
ā
n
Definitions
1. niacin (vitamin B3)
2. 3-Pyridinecarboxylic acid C6H5NO2
3. nicotinic acid
Components
菸碱
yān jiǎn
–
nicotine
酸
suān
–
sour