prov:value
| - 4 SO3 -, SO3 2-, BrO3 -, IO3 -, ClO3 -, like, and R', R, and R' are each independently selected from the group consisting of alkyl groups, preferably with from 1 to about 25 carbon atoms, such as methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, hexyl, and the like, and including cyclic alkyl groups, such as cyclopropyl, cyclohexyl, and the like, and including unsaturated alkyl groups, such
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