A white powder, C5H4N4O, that's an intermediate into the metabolism of animal purines.
A bicyclic heterocycle 3,7-dihydropurin-6-one that is an intermediate when you look at the biosynthesis of uric-acid
A substance (C5H4N4O) based in the muscles, liver, spleen, also body organs, which crystallizes in needles and kinds compounds with both acids and bases. Additionally, it is produced during the putrefaction of proteids. Also known as sarcine.