<http://webisa.webdatacommons.org/prov/347739884>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/342826871> .
<http://webisa.webdatacommons.org/342826871>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/342826871>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/342826871>	<http://www.w3.org/ns/prov#value>	"f.) when Y is a hydroxy protecting group and R3.spsp.a is a protected hydroxy then X must not be a leaving group." .