allantoin
/əˈlæntəʊɪn/noun
mass noun
1- Biochemistry a crystalline compound formed in the nitrogen metabolism of many mammals (excluding primates)【生化】尿囊素。
1.1
- A cyclic compound related to hydantoin; chem. formula: C4H6N4O3.与乙内酰脲有关的环状化合物; 化学分子式： C4H6N4O3.
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