<http://webisa.webdatacommons.org/156884066>	<http://www.w3.org/ns/prov#value>	"(Meth)acrylic acids are unsaturated carboxylic acids which include, for example, those represented by the following basic formula: ##STR3## where R is a hydrogen atom or a methyl group." .
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<http://webisa.webdatacommons.org/prov/53901185>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/156884066> .
<http://webisa.webdatacommons.org/156884066>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .