2,4(1H,3H)-Pyrimidinedione, dihydro-5-methyl-5-nitro- (9CI) 4-Hydroxy-5-nitro-4,5-dihydrothymine 67383-66-8 Hydroxynitrodihydrothymine Thymine, 4,5-dihydro-4-hydroxy-5-nitro-