About: http://webisa.webdatacommons.org/100166380

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	C(O)H, ???C(O)H and ???C(O)OR5, R5 is independently ???H, a protecting group, or both R5 together are a protecting group.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com