4-BROMO-2,5-DIPHENYL-2,4-DIHYDRO-3H-PYRAZOL-3-ONE
4-BROMO-2,5-DIPHENYL-2,4-DIHYDRO-3H-PYRAZOL-3-ONE ??
??
4-BROMO-2,5-DIPHENYL-2,4-DIHYDRO-3H-PYRAZOL-3-ONE C??? ??, ??, ??
4-BROMO-2,5-DIPHENYL-2,4-DIHYDRO-3H-PYRAZOL-3-ONE ?? ?? ? ???
???
?? ??
4-BROMO-2,5-DIPHENYL-2,4-DIHYDRO-3H-PYRAZOL-3-ONE ?? ??
???( 1)?? ??