| 单词 | trigenic acid |
| 释义 | > as lemmastrigenic acid 1. Chemistry. In trigenic acid, NH:2(CO.NH):CH.CH3, also called ethylidene (or ethidene) biuret, as being biuret, NH:2(CO.NH2), in which two atoms of H are replaced by ethylidene, CH.CH3; it crystallizes in small prisms, slightly soluble in water. ΚΠ 1868 H. Watts Dict. Chem. V. 883. 1882 Jrnl. Chem. Soc. 42 168. < as lemmas |
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