About: http://webisa.webdatacommons.org/69434921

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	A particularly preferred nucleoside H-phosphonite has the structure of formula (III) wherein, as above, one of R11 and R12 is a blocking group, but the other has the structure of formula (VII)
http://www.w3.org/ns/prov#wasQuotedFrom	google.com