dimethyl 1-(4-bromophenyl)-1-hydroxyethylphosphonate
dimethyl 1-(4-bromophenyl)-1-hydroxyethylphosphonate ??
??
dimethyl 1-(4-bromophenyl)-1-hydroxyethylphosphonate C??? ??, ??, ??
dimethyl 1-(4-bromophenyl)-1-hydroxyethylphosphonate ?? ?? ? ???
???
?? ??
dimethyl 1-(4-bromophenyl)-1-hydroxyethylphosphonate ?? ??
???( 1)?? ??
