About: http://webisa.webdatacommons.org/99247605

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	wherein n and Y' are as defined in formula II above, R3 is an alkyl residue e.g., methyl, ethyl, propyl, isopropyl, butyl, sec.-butyl and HA is an acid, e.g., hydrochloric, hydrobromic, sulfuric and phosphoric acids.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com