Patent ID: 6787672
Filing Date: 2004-09-07
Classification: A61K,A61P,C07C,C07F,G01N

Abstract:
A compound of the formula: wherein:X is â€”H, â€”OH, â€”OC(&boxH;O)R3, â€”OS(&boxH;O)2OH, or â€”OP(&boxH;O)(OH)2; Y is â€”H or a C1-4alkyl group; Z is â€”H or â€”OCH3; R1 is â€”H, a C1-4alkyl group, or C1-4fluoroalkyl group; R2 is â€”H, a C1-4alkyl group, or C1-4fluoroalkyl group; and, R3 is â€”H, a C1-6alkyl group, a C3-20heterocyclyl group, or a C5-20aryl group; or a pharmaceutically acceptable salt, ester, or protected form thereof; with the proviso that X, Y, Z, R1, and R2 are not all â€”H.