***代环戊烷99%美65000元/T200kg/桶CyclopentaneBromideCas号137-43-9MDL:--MFCD00001359Beilstein1209256EINECS:--205-294-6分子式C5H9Br分子量149.04别名***代环戊烷;一***环戊烷,环戊基***)