About: http://webisa.webdatacommons.org/92973192

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	R1 is hydrogen, a C1-C6 alkyl, or a cycloalkyl; R2 is hydrogen or a C1-C6 alkyl; and R3 is an olefinically unsaturated electron attracting copolymerizable radical having up to 25 carbon atoms. 7.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es