prov:value
| - R1 is a hydrogen atom, a halogen atom, a hydroxy, a nitro, a cyano, an amino, a mercapto, an alkyl, an alkenyl, an alkinyl, a heteroalkyl, a cycloalkyl, a heterocycloalkyl, an alkylcycloalkyl, a heteroalkylcycloalkyl, an aryl, a heteroaryl, an aralkyl or a heteroaralkyl group, wherein the alkyl, alkenyl, alkynyl, heteroalkyl, cycloalkyl, heterocycloalkyl, alkylcycloalkyl, heteroalkylcycloalkyl, ar
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