1,5-bis((chlorocarbonyl)oxy)-3-oxapentane Carbonochloridicacid,oxydi-2,1-ethanediylester Bis-diethyleneglycolchloroformate Oxydiethylenbis(chlorformiat) chloro-formic acid oxydiethylene ester 2-(2-Carbonochloridoyloxyethoxy)ethyl chloroformate Formic acid, chloro-, diester with diethylene glycol 2,2'-Oxybisethanol bis(chloroformate)