About: http://webisa.webdatacommons.org/37719940

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	rmula (3): ##STR17## wherein r is an integer of 4 or 5, in the presence of an excessive hydrohalogenic acid existing in a free form or in the form of an acid addition salt. 3.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com