Patent ID: 6362171
Filing Date: 2002-03-26
Classification: A61K,C07H

Abstract:
A compound according to the formula wherein:n is from 1 to 8; R1 is selected from the group consisting of wherein m is zero, 1, 2, or 3; and wherein q is from 1 to 20; R2 is independently selected from the group consisting of oxygen and sulfur; R3 is independently selected from the group consisting of hydrogen and hydroxyl; and R4 is selected from the group consisting of hydrogen, hydroxyl and R5 is selected from the group consisting of hydroxyl and R6 is selected from the group consisting of andwherein x is from 1 to 20; provided that one of R1, R4 and R5 is wherein R6 is defined as above; or water soluble salt thereof.