| 卟 |
bǔ lín | porphyrin (organic chemical essential to hemoglobin and chlorophyll) (loanword) |
| 卟 |
bǔ | used in the transliteration of the names of organic compounds porphyrin 卟啉 and porphin 卟吩 |
| 啉 |
lín | used in the transliteration of the names of organic compounds such as porphyrin 卟啉 and quinoline 喹啉 |