Patent ID: 7989649

Claim:
The compound having the general structure where R1 and R2 are R3, where such that is formed, R 4 is —CH 3 , —(C k H 2k+1 ), —(C k H 2k−1 ) or —(C k H 2k−3 ), where k=2−5; And where a is 1 to 5, x is 0 or 1, y is 1 or 2, z is 1, 2, 3 or 4 and z>y if y is 2, q is 1 or 0 if n is 1 and j is 0, n is 1 or 2, but 0 if m is 0, m is 1 j is 0, 1, 2 or 3 and X is where b is 0, 1 or 2 x is 0 or 1 y is 1 or 2 z is 1, 2, 3, or 4 and x>y if y is 2, q is 0 or 1 or