乙酰胺吡咯烷酮yǐ xiān àn bǐ luò wán tóngyixiananbiluowantong(pharmacology) piracetam (C6H10N2O2), a nootropicCharacters in this word乙second吡to blame咯final particle烷alkane胺amine酮ketone酰acylateStudy it in Yanamino