| 吡咯 | bǐ luò | pyrrole (C4H5N) (loanword) | |
| 吡啶 | bǐ dìng | pyridine C5H5N (loanword) | |
| 吡拉西坦 | bǐ lā xī tǎn | piracetam (loanword); see 乙酰胺吡咯烷酮 | |
| 吡唑 | bǐ zuò | pyrazole (chemistry) (loanword) | |
| 吡喃 | bǐ nán | pyran (chemistry) (loanword) |
| 1 | So clopidogrel could be doubly beneficial, he says. | |
| 2 | Until now, the main drug used to treat bilharzia has been praziquantel. | |
| 3 | And that special something is a class of chemicals called the methoxypyrazines. | |
| 4 | It was financed in part by Takeda Pharmaceuticals, maker of pioglitazone. | |
| 5 | The compound also boosted survival in this strain and another variety of lupus-mimicking mice. |