英文同义词
20-bromo-2,5,8,11,14,17-hexaoxabicyclo[16.4.0]docosa-1(18),19,21-triene;18-bromo-2,3,5,6,8,9,11,12,14,15-decahydrobenzo[b][1,4,7,10,13,16]hexaoxacyclooctadecine;2,3-(4-BROMOBENZO)-1,4,7,10,13,16-HEXAOXACYCLOOCTADEC-2-ENE;4'-BROMOBENZO-18-CROWN-6;4'-BROMOBENZO-18-CROWN 6-ETHER;4-Brombenzo-18-crown-6;4'-BROMOBENZO-18-CROWN-6 98%;(Benzo-18-crown-6)-4μ-yl bromide