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The Synthetic Routes of 3-Chloro-6-(trifluoromethyl)pyridazine
Time of Update: 2023-05-15
The next step involves treating the carboxylic acid with a solution of diazomethane in a suitable solvent to obtain the desired 3-chloro-6-(trifluoromethyl)pyridazine-2-carboxylic acid.
The next step involves treating the carboxylic acid with a solution of diazomethane in a suitable solvent to obtain the desired 3-chloro-6-(trifluoromethyl)pyridazine-2-carboxylic acid.
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PVC weak finishing There are still short-term pullback requirements
Time of Update: 2022-12-13
PVCNews: Recently, the domestic blue charcoal market has maintained stable operation, large and medium-sized materials have been shipped smoothly, coke surface still has unmarketable pressure, with the opening of the winter storage market, the price of raw material lump coal is higher, the cost of blue charcoal is obviously supported, and the domestic blue charcoal market trend is gradually improving.
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PVC is higher and there are short-term rebound requirements
Time of Update: 2022-12-13
PVCNews: According to the analysis of the transaction index tracked by Longzhong, the market trading atmosphere is better, but the social inventory affected by the holiday increased slightly, as of this week's statistical window, PVC social inventory sample data increased by 1.
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PVC opened slightly higher and the short-term trend was tangled
Time of Update: 2022-12-09
Today, the PVC1809 contract opened slightly higher, maintaining a strong finishing pattern throughout the day, and the short-term trend was tangled.
Today, the PVC1809 contract opened slightly higher, maintaining a strong finishing pattern throughout the day, and the short-term trend was tangled.
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Pharmaceutical Grade Povidone K30 Pharmacopoeia Standard CDE Registration Number
Time of Update: 2022-09-09
3. 5 Moisture Take this product and measure it according to the moisture determination method (Appendix VIII M First Method A of the 2010 edition of the Chinese Pharmacopoeia), and the moisture content should not exceed 5.
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Personalized T cell immunotherapy for pediatric brain tumors is one step closer to becoming a reality
Time of Update: 2021-12-05
In order to find immunotherapies that may bring hope to these young patients, scientists at the National Children's Hospital in Washington, DC used a specific type of DNA analysis to design a new therapy that has shown promising efficacy in preclinical studies .
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Industrial monoethylamine (5
Time of Update: 2021-10-28
001g, and analyze to obtain the mass fraction of monoethylamine n-propanol solution water as w6 .
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Express delivery of siRNA + neutralizing antibody therapy, Vir hepatitis B combination therapy completed the first case of phase 2 trial administration
Time of Update: 2021-08-08
▲The modification of the Fc-terminus of the neutralizing antibody gives VIR-3434 the potential to become a therapeutic vaccine (picture source: reference [4]) This multi-center, open-label phase 2 trial aims to evaluate about 90 patients receiving nucleosides In patients with chronic hepatitis B (18-65 years old) treated with reverse transcriptase inhibitors, the safety, tolerability and efficacy of the combined treatment of VIR-2218 and VIR-3434 .
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Corn genetic research report
Time of Update: 2020-09-14
," he said, "they hint at the development of corn after domestication and help us understand people's choices at the time." first discovered human domestication of corn in the 1960s, when American archaeologist Richard MacNeish excavated the Tehuacán valley in Mexico.
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Coating process: technical principle and process flow of steel formwork electrophoretic coating
Time of Update: 2020-04-03
Key tips: 1 Basic principle of steel formwork electrophoretic coating The so-called electrophoretic coating is a kind of coating technology that the coating (steel template) is immersed in the water-s
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Shanghai Nanhui collects more than 500 medium ducks
Time of Update: 2008-11-03
Introduction: "at present, those" vector ducks "are still in isolation Due to the special period of avian influenza, the birds that may have contact with wild migratory birds cannot be disposed of at