| http://www.w3.org/ns/prov#value | - Examples of polyether groups include polyethylene oxide, polypropylene oxide, and polybutylene oxide.The term ???halide??? as used herein refers to the halogens fluorine, chlorine, bromine, and iodine.The term ???heterocycle,??? as used herein refers to single and multi-cyclic aromatic or non-aromatic ring systems in which at least one of the ring members is other than carbon.
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