wherein R??? is defined as above in R5; wherein R7 is selected from the group consisting of: Hydrogen; a linear or branched, saturated or unsaturated aliphatic chain having at least 2 carbons; and wherein R8 is an aliphatic cyclic group larger than benzene; wherein said larger than benzene comprises any chemical group containing 7 or more non-hydrogen atoms, and is an aryl or aliphatic cyclic grou