The Collaborative International Dictionary
oxaline
Glyoxaline \Gly*ox"a*line\, n. (Chem.) A white, crystalline, organic base, C3H4N2, produced by the action of ammonia on glyoxal, and forming the origin of a large class of derivatives hence, any one of the series of which glyoxaline is a type; -- called also oxaline.
Wiktionary
oxaline
n. (context chemistry English) glyoxaline