2-甲基硫代-3-甲基嘧啶-4(3h)-酮

1-苯甲基-1,4-二氢烟酰胺

1,6-dihydro-1-methyl-2-<2-(2-methylpropoxy)anilino>-6-dioxo-5-pyrimidinecarboxylic acid

硫酸

3-甲基尿苷