N-[(S)-(4-nitrophenoxy) Phenoxyphosphinyl]-L-Alanina 2-Ethylbutyl Ester CAS 1354823-36-1 

 N-[(S)-(4-nitrophenoxy) Phenoxyphosphinyl]-L-Alanina 2-Ethylbutyl Ester  CAS 1354823-36-1 is Remdesivr Intermediates,  Remdesivir, also known as GS-5734,GS5734,GS 5734, Which is an experimental RNA polymerase inhibitor developed by Gilead Sciences in 2014 ,Remdesivir has been found to show reasonable antiviral activity against more distantly related viruses such as respiratory syncytial virus, Junin virus, Lassa fever virus, and MERS-coronavirus and Coronavirus.It was rapidly pushed through clinical trials due to the 2013–2016 West African Ebola virus epidemic crisis.      Gilead Sciences has recently confirmed that it is demonstrating whether the experimental Ebola drug Remdesivir may cause a fight against a new coronavirus (2019-nCoV) emerging in China. The company said that "active discussions are underway with researchers and clinicians in the United States and China about the potential use of Remdesivir in therapy."      …