CPC C07D 471/14 (2013.01) [A61K 45/06 (2013.01)] | 20 Claims |
1. A compound represented by Formula (XII-3) or Formula (XII-6), or a pharmaceutically acceptable salt or ester thereof:
wherein
Y1 is hydrogen or fluorine;
R1 is optionally substituted aryl or optionally substituted heteroaryl; and
R2 is hydrogen, optionally substituted C3-C6-cycloalkyl, optionally substituted aryl or optionally substituted heteroaryl.
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