US Patent No. 5,659,078 （页面存档备份，存于互联网档案馆） to Ebmeyer et al., "Process for the preparation of trichloroacetyl chloride," issued August 19, 1997 (as reproduced by freepatentsonline.com and retrieved on October 23, 2007).
US Patent No. 5,659,078 （页面存档备份，存于互联网档案馆） to Ebmeyer et al., "Process for the preparation of trichloroacetyl chloride," issued August 19, 1997 (as reproduced by freepatentsonline.com and retrieved on October 23, 2007).
