An efficient two-step synthesis of novel thiazolo[2,3-b]pyrazolo[3,4-f][1, 3,5]triazepines

1. Insuasty, B.
2. Tigreros, A.
3. Martínez, H.
4. Quiroga, J.
5. Abonia, R.
6. Gutierrez, A.
7. Nogueras, M.
8. Coboc, J.