<http://webisa.webdatacommons.org/prov/53901185>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/156951826> .
<http://webisa.webdatacommons.org/156951826>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/156951826>	<http://www.w3.org/ns/prov#value>	"methacrylates of the formulae: ##STR89## in which R' represents a hydrogen atom or a methyl radical, 2 is 3 or 4 and R is a methyl or ethyl radical;" .
<http://webisa.webdatacommons.org/156951826>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patents.com> .