prov:value
| - A particular value for R7 or R8 is a hydrogen atom or a methyl, ethyl, i-propyl, 2,2,2-trifluoroethyl, methoxycarbonyl, ethoxycarbonyl, allyl, propargyl, 2-hydroxyethyl, 2-aminoethyl, 2-methylaminoethyl, 2-dimethylaminoethyl, 2-diethylaminoethyl, cyclohexyl or phenyl radical, the halogen of the haloalkyl being fluoro, chloro or bromo.
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