| 组 |
zǔ àn | histamine (a biogenic amine involved in local immune responses) |
| 组 |
Zǔ | surname Zu |
| 组 |
zǔ | to form / to organize / group / team / classifier for sets, series, groups of people, batteries |
| 胺 |
àn | (chemistry) amine / colloquial pr. [an1]; Taiwan pr. [an1] |