| 单词 | metachloral | 
| 释义 | > as lemmasmetachloral   metachloral n.  Brit.  , U.S.  ΚΠ 1876    Encycl. Brit. V. 676/2  				When kept for some days..chloral undergoes spontaneous change into the polymeride metachloral,..a white porcelaneous body. 1922    J. J. Sudborough Bernthsen's Text-bk. Org. Chem. 		(new ed.)	 v. 136  				Chloral..easily changes into a solid polymeric modification, meta-chloral, but is regenerated from this upon heating. 2002    R. J. Cremlyn Chlorosulfonic Acid iv. 165  				Metachloral and chloral hydrate similarly afforded the octachloroether 86 on treatment with chlorosulfonic acid. < as lemmas  | 
	
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