33599-50-7 5-25-03-00256 (Beilstein Handbook Reference) 6-Tooh BRN 4419093 Hydrouracil, 6-hydroperoxy-5-hydroxy-5-methyl-, (Z)- cis-5,6-Dihydro-6-hydroperoxy-5-hydroxythymine cis-6-Hydroperoxy-5-hydroxy-5-methylhydrouracil