| 释义 |
xan·thine AHD[zănʹthēn', -thĭn] D.J.[ˈzænˌθiːn, -θɪn]K.K.[ˈzænˌθin, -θɪn]n.（名词）- A yellowish-white, crystalline purine base, C5H 4N 4O 2, that is a precursor of uric acid and is found in blood, urine, muscle tissue, and certain plants. 黄嘌呤：一种黄白色结晶的嘌呤硷，C5H 4N 4O 2，它是尿酸的前身，常见于血液、尿液、肌肉组织和某些植物中
- Any of several derivatives of this compound.此类化合物的各种衍生物
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