+++Reaxys

[Sciencemadness]

Can anyone search for these antiviral compunds and its precursors , please?
Synthesis , and phys chem properties. Thank you!

1, cas: 259793-96-9
Oc1ncc(F)nc1C(=O)N
Favipiravir

2, T-1105,
cas: 55321-99-8,
O=C(C1=NC=CN=C1O)N

3, 2‑aminopyrazine
Nc1cnccn1
cas: 5049-61-6

4, Methyl 5-Chloroisoxazolo[4,5-B]pyrazine-3-carboxylate
CAS Number: 1374986-05-6

[Chem_DM]

[Sciencemadness]

Thank you!