> Butyric bee repellents were improved by using instead of butyric acid, its > dehydration product butyric anhydride (created by removing a water molecule > to join two 4-carbon acid molecules into an 8-carbon anhydride (meaning > "without water"). Thanks for the explanation. Clears up my confusion. I was unaware that an 8 carbon and 4 carbon molecule could share the same name. Stan *********************************************** The BEE-L mailing list is powered by L-Soft's renowned LISTSERV(R) list management software. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html