Patent ID: 6764840
Filing Date: 2004-07-20
Classification: C07H

Abstract:
A pharmaceutically acceptable salt of a compound having the structure: wherein, X is selected from the group consisting of O and S at the axial or equatorial position; Y is selected from the group consisting of O and NH; n, m, p and q are integers from 0 to 6; R1, R2 and R3 are the same or different and are fatty acyl residues having from 1 to about 20 carbon atoms and where one of R1, R2 or R3 is optionally hydrogen; R4 and R5 are the same or different and are selected from the group consisting of H and methyl; R6 and R7 are the same or different and are selected from the group consisting of H, hydroxy, alkoxy, phosphono, phosphonooxy, sulfo, sulfooxy, amino, mercapto, cyano, nitro, formyl and carboxy, and esters and amides thereof; and R8 and R9 are the same or different and are selected from the group consisting of phosphono and H, and at least one of R8 and R9 is phosphono.