| 1. | The purine and pyrimidine may be complexed with a sugar to produce a nucleoside . 嘌呤和嘧啶可以同一个糖复合,产生一个核苷。 |
| 2. | The other two, thymine and cytosine, are single ring structures called pyrimidines . 另两个为胸腺嘧啶和胞嘧啶,即称为嘧啶的单环结构。 |
| 3. | Heterocylic aromatics such as pyridine and pyrimidines also give a somewhat similar set of bands in the 1600 cm region . 杂环芳香族结构类如吡啶、嘧啶类化合物在1600厘米1(625微米)区域也有相似的一组谱带。 |
| 4. | Amino4 , 6 - dimethoxy pyrimidine 二甲氧基嘧啶 |
| 5. | Uracil - - a pyrimidine found in rna that base - pares with adenine 尿嘧啶- -核糖核酸中的一种嘧啶,与腺嘌呤形成碱基对。 |
| 6. | Synthesis and biological activities of 1 2 4 - triazolo 1 5 - pyrimidine - 2 - thioether derivatives 硫醚的合成及生物活性研究 |
| 7. | Amino 4 , 6 dichloro pyrimidine 二氯嘧啶 |
| 8. | Amino - 4 , 6 - dichloro pyrimidine 二氯嘧啶 |
| 9. | Theoretical studies on the effect of electronic absorption of polar solvents for pyrimidine 溶剂极性对嘧啶电子光谱影响的理论研究 |
| 10. | Synthesis and biological activity of methyl n - methoxylcarbamates containing pyrimidine 甲氧基氨基甲酸甲酯类化合物的合成及生物活性 |