?????? ?????? O,O-???-O-(4-??-???-7-?) ????????? 3-bromo-7-hydroxy-4-methyl-2H-chromen-2-one METHYL 2-BROMO-2-BUTENOATE CEKAFIX 1-BROMO-2-PHENYL-PROPENE 2-BROMO-3-METHYL-2-BUTENE (E)-2-BROMO-2-BUTEN-1-OL 1-(2-BROMOETHOXY)-2-ETHYLBENZENE Phenyl bromoacetate 1-(2-BROMOETHOXY)-2-METHYLBENZENE O,O-diethyl O-phenyl thiophosphate