The Collaborative International Dictionary
dialuramide
Murexan \Mu*rex"an\, n. [From Murexide.] (Chem.) A complex nitrogenous substance obtained from murexide, alloxantin, and other ureids, as a white, or yellowish, crystalline which turns red on exposure to the air; -- called also uramil, dialuramide, and formerly purpuric acid.
Wiktionary
dialuramide
n. (context chemistry English) murexan