Condensed Benzopyrans Vi.8 H-Pyrano [3,2-F] Quinoxalines

Khan, Misbahul Ain Caldas, Edvaldo Cavalcanti

Condensed Benzopyrans Vi.8 H-Pyrano [3,2-F] Quinoxalines - 153-155 p.


Pyrano [3,2-F] Quinoxalines
Coumarins
1h Nmr Spectra