About: http://webisa.webdatacommons.org/52379302

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	The preparation and use of PEG derivatives containing sulfonyl acid halides, halogen atoms and other leaving groups are well known to the skilled artisan.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au