乙
酰
胆
碱
y
ǐ
y
ǐ
x
i
ā
n
x
i
ā
n
d
á
n
d
ǎ
n
j
i
ǎ
n
j
i
ǎ
n
Definitions
1. acetylcholine ACh (amine related to vitamin B complex)
Components
乙酰
yǐ xiān
–
acetyl (chemistry)
胆碱
dǎn jiǎn
–
choline (amine related to vitamin B complex)