prov:value
| - ne, 1,2-dichloropropane, glycol ethers of the general formula R4 --O--(CH2)n --O--R4, wherein n is 2 to 6 and R4 is C1 -C4 alkyl, in particular methyl or ethyl, e.g. ethylene glycol dimethyl ether or ethylene glycol diethyl ether, polyalkylene glycol diethers of the formula R4 --O(Cn H2n --O)x R4, wherein R4 is C1 -C4 alkyl, in particular methyl or ethyl, n is 2 to 6, preferably 2 to 4, and x is 2
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