- 氨基酸 ānjīsuān amino acid
- 对氨基苯丙酮 duì'ānjīběnbǐngtóng p-aminopropiophenone
- 氨基比林 ānjībǐlín aminopyrine
- 氨基甲酸酯类化合物 ānjījiǎsuānzhǐlèihuàhéwù carbamate
- 氨基苯酸 ānjīběnsuān aminobenzoic acid
- 氨基葡糖 ānjīpútáng glucosamineglucosamine (abbreviation for [[氨基葡萄糖|氨基葡萄糖|an1 ji1 pu2 tao5 tang2]])
- 氨基葡萄糖 ānjīpútaotáng glucosamineglucosamine (C6H13NO5)
- 甲氨基 jiǎ'ānjī methylamino group
- 乙氨基 yǐ'ānjī ethylaminoethylamino group
- 转氨基酶 zhuǎn'ānjīméi transaminaseaminotransferase (enzyme)
- 对乙酰氨基酚 duìyǐxiān'ānjīfēn paracetamola common analgesic and antipyretic medication used to treat pain and fever, also known as acetaminophen
