| 氨基甲酸酯类化合物 | [ ān jī jiǎ suān zhǐ leì huà hé wù  ]    carbamate | 
| 氨气 | [ ān qì  ]    ammonia (gas) | 
| 氨纶 | [ ān lún  ]    spandex, elastane | 
| ⇒ 对乙酰氨基酚 | [ duì yǐ xiān ān jī fēn  ]    paracetamol, acetaminophen | 
| ⇒ 对氨基苯丙酮 | [ duì ān jī běn bǐng tóng  ]    p-aminopropiophenone | 
| ⇒ 氰氨化钙 | [ qíng ān huà gaì  ]    calcium cyanamide | 
| ⇒ 异亮氨酸 | [ yì liàng ān suān  ]    isoleucine (Ile), an essential amino acid | 
| ⇒ 神经氨酸酶 | [ shén jīng ān suān meí  ]    neuraminidase (the N of virus such as bird flu H5N1) | 
| ⇒ 谷氨酸 | [ gǔ ān suān  ]    glutamic acid (Glu), an amino acid | 
| ⇒ 谷氨酸钠 | [ gǔ ān suān nà  ]    monosodium glutamate (MSG) (E621) | 
| ⇒ 组氨酸 | [ zǔ ān suān  ]    histidine (His), an essential amino acid | 
| ⇒ 丝氨酸 | [ sī ān suān  ]    serine (Ser), an amino acid | 
| ⇒ 缩多氨酸 | [ suō duō ān suān  ]    polypeptide, a chain of amino acids linked by peptide bonds CO-NH, a component of protein, same as 多肽[duo1 tai4] | 
| ⇒ 缩氨酸 | [ suō ān suān  ]    peptide (two or more amino acids linked by peptide bonds CO-NH), same as 肽[tai4] | 
| ⇒ 缬氨酸 | [ xié ān suān  ]    valine (Val), an essential amino acid | 
| ⇒ 联氨 | [ lián ān  ]    hydrazine | 
| ⇒ 胶氨芹 | [ ān qín  ]    ammoniacum or gum ammoniac (Dorema ammoniacum), resin has medical uses | 
| ⇒ 苏氨酸 | [ sū ān suān  ]    threonine (Thr), an essential amino acid | 
| ⇒ 赖氨酸 | [ laì ān suān  ]    lysine (Lys), an essential amino acid | 
| ⇒ 转氨基酶 | [ zhuǎn ān jī meí  ]    amino transferase (enzyme) | 
| ⇒ 转氨酶 | [ zhuǎn ān meí  ]    transferase (enzyme) | 
| ⇒ 酪氨酸代谢病 | [ laò ān suān daì xiè bìng  ]    (medicine) tyrosinosis |