5-甲基-1-[3,4,5-三羟基-6-(羟基甲基)四氢吡喃-2-基]嘧啶-2,4-二酮

[3,4,5-triacetyloxy-6-(5-methyl-2,4-dioxopyrimidin-1-yl)oxan-2-yl]methyl acetate