Keywords: Quinoxaline-3D-balls.png Ball-and-stick model of the quinoxaline molecule an aromatic heterocycle consisting of a pyrazine ring fused to a benzene ring Derived from File Pyrazine-3D-balls-B png and File Pyridinium-3D-balls png 2010-07-27 Jynto and Ben Mills Quinoxaline Images by Jynto |