About: http://webisa.webdatacommons.org/36155796

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In the case where R15 is OH, it may be necessary to remove a protecting group such as t-butyldimethylsilyl from an intermediate where R15 is O-t-butyldimethylsilyl.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com