英文同义词
Benzo-15-crown-5, 99% 2.5GR;CROWN ETHER/BENZO-15-CROWN-5 FOR SYNTHES;2,5,8,11,14-Pentaoxabicyclo[13.4.0]nonadeca-15,17,19-triene;1,2-[Oxybis(ethyleneoxyethyleneoxy)]benzene;2,5,8,11,14-Pentaoxabicyclo[13.4.0]nonadeca-1(15),16,18-triene;6,7,9,10,12,13,15,16-Octahydro-5,8,11,14,17-pentaoxa-5H-benzocyclopentadecene;Benzo-15-crown-5,99%;denzo15c5