prov:value
| - Other example substituents include other hydrocarbon moieties comprising from 1 to 6 carbon atoms including alkyl such as ethyl, propyl, isopropyl, butyl and isomers thereof, pentyl and isomers thereof, hexyl and isomers thereof; cyclic and unsaturated hydrocarbons having 1 to 6 carbon atoms; CO2H and salts thereof; alkoxy up to C5 such as methoxy, ethoxy, propoxy, isopropoxy, a butoxy isomer, or
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