Patent ID: 6660718
Filing Date: 2003-12-09
Classification: A61P,C07H

Abstract:
A compound represented by the following formula (I) or a pharmaceutically acceptable salt thereof: wherein R&agr; represents a C1-C10 alkyl group, a C3-C10 alkenyl group, a C7-C15 aralkyl group, a quinolinylalkyl group, a quinolinylalkenyl group, a C7-C15 aralkylcarbonyl group, a C4-C7 cycloalkylcarbonyl group, benzoyl group, an imidazolylcarbonyl group, a quinolinylcarbonyl group, an N-alkylaminocarbonyl group, an N,N-dialkylaminocarbonyl group, or an N-aralkylaminocarbonyl group; R1 represents hydrogen atom, a C1-C10 alkyl group, or a C2-C10 alkylcarbonyl group; and R2 represents hydrogen atom, a C1-C10 alkyl group or a C2-C10 alkylcarbonyl group.