About: http://webisa.webdatacommons.org/226230243

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	H???(P Y)Y???C(O)???OP C???VIII in which PC is hydrogen or a carboxy protecting group, such as for example methyl, ethyl, t-butyl or benzyl, followed by removal of the protecting group PC, when present.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com