5-(3-Oxobutyl)-1,3-dimethylpyrimidine-2,4(1H,3H)-dione
5-(3-Oxobutyl)-1,3-dimethylpyrimidine-2,4(1H,3H)-dione ??
??
5-(3-Oxobutyl)-1,3-dimethylpyrimidine-2,4(1H,3H)-dione C??? ??, ??, ??
5-(3-Oxobutyl)-1,3-dimethylpyrimidine-2,4(1H,3H)-dione ?? ?? ? ???
???
?? ??
5-(3-Oxobutyl)-1,3-dimethylpyrimidine-2,4(1H,3H)-dione ?? ??
???( 0)?? ??