Patent ID: 6743786
Filing Date: 2004-06-01
Classification: A61K,A61P,C07F

Abstract:
A compound of formula II:wherein R and R1 are each independently H (C1-C3)alkyl, halogen, (C1-C3)alkoxy, halo(C1-C3)alkyl, cyano, (C2-C6)alkanoyloxy or nitro; X and X1 are each OH2; or taken together X and X1 form a N,N-bidentate selected from the group consisting of N,N-bipyridine, N,N-bipyrimidine, and N,N-phenanthroline, wherein the N,N-bidentate can be substituted with up to two groups that are independently (C1-C3) alkyl, halogen, (C1-C3) alkoxy, halo (C1-C3) alkyl, cyano, (C2-C6) alkanoyloxy or nitro; and Y is OSO3; or a pharmaceutically acceptable salt thereof.