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单词 uracil
释义 ura·cil
\ˈyu̇rəˌsil\ noun
(-s)
Etymology: International Scientific Vocabulary ur- (I) + acetic + -il
: a crystalline heterocyclic compound C4H4N2O2 that is capable of salt formation with sodium hydroxide and is obtained by hydrolysis of ribonucleic acid or by reaction of urea wih ethyl formyl-acetate; 2,4-dihydroxy-pyrimidine; also : any of various derivatives of this compound — compare thymine
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