prov:value
| - The compound of claim 1 wherein R1 is a phenyl group optionally substituted at a substitutable position with one or more radicals independently selected at each occurrence from the group consisting of lower alkyl, lower haloalkyl, cyano, carboxyl, lower alkoxycarbonyl, hydroxyl, lower hydroxyalkyl, lower haloalkoxy, amino, lower alkylamino, nitro, lower alkoxyalkyl, lower alkylsulfinyl, halo, lowe
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