1-(3,4-Dimethoxyphenyl)-2-[3,4-(methylenedioxy)phenyl]ethane-1,2-dione
1-(3,4-Dimethoxyphenyl)-2-[3,4-(methylenedioxy)phenyl]ethane-1,2-dione ??
??
1-(3,4-Dimethoxyphenyl)-2-[3,4-(methylenedioxy)phenyl]ethane-1,2-dione C??? ??, ??, ??
1-(3,4-Dimethoxyphenyl)-2-[3,4-(methylenedioxy)phenyl]ethane-1,2-dione ?? ?? ? ???
???
?? ??
1-(3,4-Dimethoxyphenyl)-2-[3,4-(methylenedioxy)phenyl]ethane-1,2-dione ?? ??
???( 0)?? ??