| 1 | 吡 | 吡 | bǐ | bi3 | used as phonetic bi- or pi- | | |
| 2 | 吡啶 | 吡啶 | bǐ dìng | bi3 ding4 | pyridine C5H5N (loanword) | | |
| 3 | 吡拉西坦 | 吡拉西坦 | bǐ lā xī tǎn | bi3 la1 xi1 tan3 | piracetam (loanword); see 乙酰胺吡咯烷酮 | | |
| 4 | 吡叻 | 吡叻 | bǐ lè | Bi3 le4 | Perak (state of Malaysia) | | |
| 5 | 吡咯 | 吡咯 | bǐ luò | bi3 luo4 | pyrrole (C4H5N) (loanword) | | |
| 6 | 吡喃 | 吡喃 | bǐ nán | bi3 nan2 | pyran (chemistry) (loanword) | | |
| 7 | 吡嗪 | 吡嗪 | bǐ qín | bi3 qin2 | pyrazine (chemistry) (loanword) | | |
| 8 | 吡唑 | 吡唑 | bǐ zuò | bi3 zuo4 | pyrazole (chemistry) (loanword) | | |
| 9 | 乙酰胺吡咯烷酮 | 乙酰胺吡咯烷酮 | yǐ xiān àn bǐ luò wán tóng | yi3 xian1 an4 bi3 luo4 wan2 tong2 | piracetam (C6H10N2O2) | | |