yǐ xiān àn bǐ luò wán tóng
(pharmacology) piracetam (C6H10N2O2), a nootropic
乙
yǐ
second of the ten Heavenly Stems 十天干[shi2 tian1 gan1]
酰
xiān
acid radical
胺
àn
(chemistry) amine
吡
bǐ
used as phonetic bi- or pi-
咯
luò
to cough up
烷
wán
alkane
酮
tóng
ketone
