5-甲基-1-[4-[(7-氧代-7H-呋喃并[3,2-g][1]苯并吡喃-9-基)氧基]丁基]-2,4(1H,3H)-嘧啶二酮

5-methyl-1-[6-(7-oxofuro[3,2-g]chromen-9-yl)oxyhexyl]pyrimidine-2,4-dione

5-methyl-1-(phenylmethoxymethyl)pyrimidine-2,4-dione

1-(4-hydroxy-2-oxobutyl)-5-methylpyrimidine-2,4-dione

5-甲基尿苷-5'-13C