About: http://webisa.webdatacommons.org/163602265

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	N(R???)CH2CO2(C2H4O)nH, and RfSO2N(R???)(C2H4O)nH, where n is a number greater than about 3, and R??? is hydrogen or lower alkyl (e.g., 1 to about 6 carbons).
http://www.w3.org/ns/prov#wasQuotedFrom	google.es