| http://www.w3.org/ns/prov#value | - oms, R,0 is andR is (V) R-O-alkylcne Ra R2 A and (VI) RO-alkylenc\ R; R,-O-alkyleneN where alkylene contains not more than 3 carbon atoms, RO is in which R4 is an alkyl radical containing from one to four carbon atoms, n, n and nare numbers the sum of which preferably does not exceed 60, the total number of carbon atoms in R, R, and R being at least 18; R is a hydrocarbon radical selected from the
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