Hi....
I had been searching a LOOOONG time in the-hive, but I didn't find anything about brewing solvents, so I searched the Internet.
And I was SUCCESFUL... although it is in german language
watch this and you wont have any problems to get some of the needed solvents:
http://www.seilnacht.tuttlingen.com/chemie/ch_organ.htm (http://www.seilnacht.tuttlingen.com/chemie/ch_organ.htm)