| http://www.w3.org/ns/prov#value | - , R5, and R6 are the same or different, an alkyl with 1 to 4 C atoms, hydroxyl alkyl with 1 to 4 C atoms and dihydroxyl alkyl with 2 to 4 C atoms, R7 is an alkyl with 1 to 4 C atoms, hydroxyl alkyl with 1 to 4 C atoms or dihydroxyl alkyl with 2 to 4 C atoms or
|
