Patent ID: 6458816
Filing Date: 2002-10-01
Classification: A61K,A61P,C07D,C07F

Abstract:
A compound according to the structure: WhereR is H or CH3; R2 is phosphate which can be free acid or salt; R3is H, F, Cl, Br, I, OCH3, OCF3, CF3 or a C1-C3 alkyl group; R4is H, F, Cl, Br, I, OCH3, OCF3 or CF3; and R5 and R6 are each independently H, F, Cl, Br, I, OCH3, OCF3 or CF3, with the proviso that at least one of R3, R4, R5 or R6 are other than H and when any two of R3, R4, R5 or R6 are other than H, the other two of R3, R4, R5 or R6 are H.