Patent ID: 6235731
Filing Date: 2001-05-22
Classification: C07D

Abstract:
A compound of the formula: ##STR61##wherein ring Q is an optionally substituted pyridine ring;one of R.sup.0, R.sup.1 and R is --Y.sup.0 --Z.sup.0, and the other two groups are a hydrogen, a halogen, an optionally substituted hydroxy group, an optionally substituted hydrocarbon group or an acyl group;Y.sup.0 is a bond or an optionally substituted divalent hydrocarbon group;Z.sup.0 is a basic group which may be bonded via oxygen, nitrogen, --CO--, --CS--, --SO.sub.2 N(R.sup.3)-- (wherein R.sup.3 is a hydrogen or an optionally substituted hydrocarbon group), or--S(O)n-- (wherein n is 0, 1 or 2); and----- is a single bond or a double bond, or a salt thereof.