Patent ID: 6979364

Claim:
A compound of Formula (5) or (6): wherein: M is a metal; and D is a group of Formula (2a), (2b), (2c), (2d) or (2e): wherein: Z is H, —OH, —Br, —Cl, —F, —CN, —NO 2 , —PO 3 H 2 , —SO 3 H, —CO 2 H, optionally substituted phosphoramide, optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted aryl, optionally substituted aralkyl, —SR 1 , —SO 2 R 1 , —SO 2 NR 2 R 3 , —SOR 1 , —OR 1 , —C(O)R 1 , —C(O)OR 1 , —C(O)R 2 R 3 , —NR 2 R 3 , —NHCOR 1 ; and Y is —CF 3 or any one of the groups defined for Z; and wherein: R 1 , R 2 and R 3 are each independently H, optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted aryl or optionally substituted aralkyl; or R 2 and R 3 together with the nitrogen to which they are attached form an optionally substituted 5- or 6- membered ring.