prov:value
| - ubstituted with hydroxy, (C1-C4) alkoxy or fluoro; R2 is a radical selected from hydrogen, (C1-C6) straight or branched alkyl, (C3-C7) cycloalkyl wherein one of the CH2 groups in said cycloalkyl may optionally be replaced by NH, oxygen or sulfur; aryl selected from phenyl and naphthyl; heteroaryl selected from indanyl, thienyl, furyl, pyridyl, thiazolyl, isothiazolyl, oxazolyl, isaoxazolyl, triazo
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