Useful solvents can comprise water, alcohols such as methanol, ethanol, propanol and isopropanol, N methylpyrrolidone, aromatics such as benzene, toluene and xylene, ketones such as acetone, ethers such as ethyl ether, {HEAD ~ esters} such as {TAIL ~ ethyl acetate} or mixtures thereof 
such as
Useful solvents can comprise water , alcohols such as methanol , ethanol , propanol and isopropanol , N methylpyrrolidone , aromatics such as benzene , toluene and xylene , ketones such as acetone , ethers such as ethyl ether , { HEAD ~ esters } such as { TAIL ~ ethyl acetate } or mixtures thereof
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