Patent ID: 8865904

Claim:
A chemical compound having the structure: wherein: n is 0; X is oxygen; R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 10 , and R 11 independently comprise hydrogen, a hydroxyl group, an alkoxy group, a thiol, a thioalkyl, a thioaryl, a halogen, an alkyl group, an alkenyl group, an alkynyl group, an aromatic group, a primary amine group, a secondary amine group, a tertiary amine group, a reactive group, or combinations thereof, wherein at least one of R 1 , R 2 , R 3 , and R 4 comprises an aromatic group or an alkynyl group; R 9 comprises an aromatic group or alkyl-aromatic group; and R 12 is an alkyl group.