查询词典 purin

Gout is a kind of disease for purin metabolized turbulence . If it reiteration for Long time , it will come into being tophus .

痛风是一种由嘌呤代谢紊乱所致的疾病，日久不愈，反复发作则逐渐形成痛风石沉积。

The famciclovir was synthesized from purine by a series of steps by Acylation, Decarboxylation, Reduction ,and so on; Derivatives of these intermediates is described from the 6-chloro- 9H- purin-2-amine as raw materials in different conditions when the iodine and bromide were synthesized with the addition of two intermediate 6-bromo-9H-purin-2-amine and 6-iodo-9H-purin-2-amine; There is elaborated from the main part of a acetophenone, urineaminohydrochloride, phenylhydrazine, ethyl acetoacetate as raw material through a series of reactions to synthetic 3-phenyl-4-formylphenyl pyrazole and 5-chloro-3-methyl-1-phenyl-1H-pyrazole-4-aldehyde two pyrazole aldehyde, and then with 2-amino-6-chlorine-9-(2-methicillin-oxo-co-methyl-4-yl) purine reaction of the two new pyrazole purine Schiff bases.

本论文主是采用以鸟嘌呤为原料，经过一系列的酰基化，脱羧，还原等反应作用下最终得到了产物2-氨基-9-(4-乙酰氧基-3-乙酰氧基甲基丁基)嘌呤；其中的中间体衍生物主要是阐述从以2-氨基-6-氯鸟嘌呤为原料通过在不同的条件下进行溴代与碘代分别合成了另外两种中间体2-氨基-6-溴鸟嘌呤及2-氨基-6-碘鸟嘌呤；还有一部分主要是阐述从以苯乙酮，盐酸氨基脲，苯肼，乙酰乙酸乙酯为原料通过一系列的反应先合成3-苯基-4-醛基吡唑及5-氯-3-甲基-1-苯基-1H-吡唑-4-甲醛这两个吡唑醛，然后再与2-氨基-6-氯-9-(2-甲氧羰基丁酸甲酯-4-基)嘌呤反应得到了两个新型的吡唑嘌呤席夫碱

Purin .A scratch builder's goal is to build the most realistic-looking model he can as .

从零开始Builder的目标是建立最现实的前瞻性的模型，他可以作为。

New town corresponds take Purin west as central Niu, area this is called Ou De sincere i.e.

与以普林西斯大街为中心的纽敦相对应，这一带被称为欧尔德敦。

Gout is a kind of disease for purin metabolized turbulence .

痛风是一种由嘌呤代谢紊乱所致的疾病，其主要临床特点是体内尿酸产生过多或肾脏排泄减少，引起血液中尿酸升高，形成高尿酸血症以及反复发作的痛风性急性关节炎，痛风石沉积，痛风性慢性关节炎和痛风畸形。

Welcome to Purin Classroom!

你好，欢迎到访布甸教室！

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。