| http://www.w3.org/ns/prov#value | - Preferably, R1 is a C1???C10 alkyl, C1???C10 haloalkyl, C2???C10 alkenyl, phenyl, phenyl(C1???C10)alkyl, C1???C10 alkylphenyl, glycidoxy(C1???C10)alkyl, epoxycyclohexyl(C1???C10)alkyl, morpholino, amino(C1???C10)alkyl, amino(C2???C10)alkenyl, mercapto(C1???C10)alkyl, mercapto(C2???C10)alkenyl, cyano(C1???C10)alkyl, cyano(C2???C10)alkenyl, or halogen and the halo or halogen is chloro or fluoro.
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