| http://www.w3.org/ns/prov#value | - yl, cyclopropylethyl, cyclopropylpropyl, cylcobutylmethyl, cyclobutylethyl, cyclopentylmethyl and the like groups; aryl group refers to unsubstituted phenyl or phenyl independently substituted with one to three halogen, C1-6 alkyl, C1-6 alkyloxy or C1-6 alkylthio such as 4-methylphenyl, 2,3-dimethoxyphenyl, 2-methyl-3-ethoxylphenyl, 4-t-butoxyphenyl, 4-methylthio-3-fluorophenyl, 2,4-dichlorophenyl
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