乙酰胺吡咯烷酮

piracetam (C6H10N2O2)

second of the ten Heavenly Stems 十天干[shi2 tian1 gan1] / second in order / letter "B" or Roman "II" in list "A, B, C", or "I, II, III" etc / second party (in legal contract, usually 乙方[yi3 fang1], as opposed to 甲方[jia3 fang1]) / ethyl / bent / winding / radical in Chinese characters (Kangxi radical 5) / ancient Chinese compass point: 105°

turning stroke (in Chinese characters) / see also 折[zhe2]

turning stroke (in Chinese characters), aka 折[zhe2]

acetyl (chemistry)

acid radical / -acyl (chemistry)

amide / acidamide (chemistry)

amine / Taiwan pr. [an1]

used as phonetic bi- or pi-

pyrrole (C4H5N) (loanword)

(phonetic)

(final particle similar to 了[le5], indicating that sth is obvious)

to cough up / also pr. [ka3]

alkane

ketone