bi3
used as phonetic bi- or pi-

strokes 7
radical
strokes after radical 4
吡啶 吡啶 bi3 ding4
pyridine C5H5N

吡拉西坦 吡拉西坦 bi3 la1 xi1 tan3
piracetam (loanword); see 乙酰胺吡咯烷酮

吡叻 吡叻 bi3 le4
Perak (state of Malaysia)

吡咯 吡咯 bi3 luo4
pyrrole (C4H5N) (loanword)

乙酰胺吡咯烷酮 乙酰胺吡咯烷酮 yi3 xian1 an4 bi3 luo4 wan2 tong2
piracetam (C6H10N2O2)