Patent ID: 6479477
Filing Date: 2002-11-12
Classification: A61P,C07D

Abstract:
A compound of Formula I or Formula II; or pharmaceutically acceptable salt thereof, whereinR1 and R3 are independently: â€”CO2C1-4 alkyl; or â€”CO2(CH2)nCX3, wherein X is halogen and n=1 to 3; R2 is: â€”H â€”C1-4alkyl â€”COOH â€”CO2C1-4 alkyl, â€”CO2(CH2)nCX3, wherein X is halogen and n=1 to 3, â€”CON(CH3)2, or â€”CX3, wherein X is halogen; and R4 is: â€”H, â€”C1-4 alkyl â€”COOH, â€”CO2C1-4 alkyl, â€”CO2(CH2)nCX3, wherein X is halogen and n=1 to 3, â€”CON(CH3)2, or â€”CX3, wherein X is halogen, and each A is, independently, hydrogen or halogen, wherein when said compound is of Formula II, M is a metal selected from the group consisting of manganese, iron, copper, cobalt, nickel and zinc and Zâˆ’ is a counterion.