(E)-3',4',5'-Trimethoxy-4-bromochalcone
(E)-3',4',5'-Trimethoxy-4-bromochalcone ??
??
(E)-3',4',5'-Trimethoxy-4-bromochalcone C??? ??, ??, ??
(E)-3',4',5'-Trimethoxy-4-bromochalcone ?? ?? ? ???
???
?? ??
(E)-3',4',5'-Trimethoxy-4-bromochalcone ?? ??
???( 0)?? ??
(E)-3',4',5'-Trimethoxy-4-bromochalcone ?? ??: