Patent ID: 6175001
Filing Date: 2001-01-16
Classification: C07H

Abstract:
A compound of the structure below ##STR13##where wherein X is NH.sub.2 or .dbd.O, where when X is NH.sub.2, (H) is absent and - - - represents a chemical bond and when X is .dbd.O, - - - is absent and (H) is present representing a hydrogen bonded to N-1, C:C is a carbon-carbon double bond or a carbon-carbon triple bond, each R is independently hydrogen or a metal cation or ##STR14##wherein each R' is hydrogen or a metal cation and m is 1, 2 or 3, and R.sub.1 is ##STR15##wherein R.sub.2 is ##STR16##wherein R.sub.3 is ##STR17##and n is an integer from 0 to 6.