prov:value
| - As the ???acyl group??? in the compounds represented by the formulae (Im), (In), (If???), (Ig???), and (Ih???), for example, an acyl group represented by the formula: ???(C???O)???R7, ???(C???O)???OR7, ???(C???O)???NR7R8, ???(C???S)???NHR7 or ???SO2???R9 wherein R7 is a hydrogen atom, a hydrocarbon group optionally having substituents or a heterocyclic group optionally having substituents, R8 is a
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