5 A RU,5ARU5-Amino-4-D-ribitylaminouracil5-Amino-6-(D-ribitylamino)uracil DISCONTINUED. Please see A629245.D-Ribitol, 1-[(5-amino-1,2,3,6-tetrahydro-2,6-dioxo-4-pyrimidinyl)amino]-1-deoxy-
DefinitionChEBI: An aminouracil that is D-ribitol in which the hydroxy group at position 1 is substituted by the 6-amino group of 5,6-diaminouracil. Early intermediate in bacterial riboflavin synthesis.