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<http://webisa.webdatacommons.org/303510551>	<http://www.w3.org/ns/prov#value>	"The hydroxy group in 6 is blocked with a suitable protecting group, for example the group trimethylsilyl, to provide the cyclopentenone 7 required for conjugate addition, where P is a suitable protecting group, such as trimethylsilyl." .
<http://webisa.webdatacommons.org/prov/131211063>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/303510551> .
<http://webisa.webdatacommons.org/303510551>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .