prov:value
| - methyl ethyl ketone, and diacetone alcohol; esters, such as ethyl acetate and ethyl lactate; lower alkyl ethers, such as ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, diethylene glycol methyl ether, diethylene glycol ethyl ether, triethylene glycol monomethyl ether, and triethylene glycol monoethyl ether; nitrogen-containing compounds, such as 2-pyrolidone, N-methyl-2-pyrolido
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