About: http://webisa.webdatacommons.org/52062525

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 direct positive silver halide photographic light-sensitive material of claim 1, wherein R1 and R2 are a phenyl group, a naphthyl group, or a phenyl or naphthyl group substituted with an alkyl group, an alkoxy group or a halogen atom.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com