| http://www.w3.org/ns/prov#value | - carbon atoms, provided that when R1 is hydrogen atom, R2 and R3 are each a straight or branched alkyl group containing from 12 to 15 carbon atoms or a branched alkyl group containing from 16 to 20 carbon atoms, and then R1 is alkyl group having from 1 to 20 carbon atoms, the total numbers of carbon atoms in R1 and R2 groups and R1 and R3 groups are from 5 to 25, respectively, and n is an integer
|
