About: http://webisa.webdatacommons.org/453407261

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	Further, when u in the general formula (6) is 2, R.sup.18 is a tetrayl group having pentaerythrityl structure represented by the following general formula (7): ##STR5## wherein v, w, x and y are an integer of 0 to 6.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com