About: http://webisa.webdatacommons.org/281333604

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 presence of trace impurities having active hydrogens (i.e., a monohydric alcohol such as methanol would probably cause A to become methyl) would alter the isocyanate group depending on the nature of the impurity.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es