About: http://webisa.webdatacommons.org/260226728

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	ing of spermiyl, spermidiyl, amino acid, peptidyl, diaminoalkyl, and polyamine; R7 and R8 are independently H or a carbohydrate; and l is an integer from 1 to about 4; wherein
http://www.w3.org/ns/prov#wasQuotedFrom	google.com