CPC C07D 209/88 (2013.01) [A61P 31/06 (2018.01); C07D 401/12 (2013.01); C07D 403/04 (2013.01)] | 19 Claims |
1. A compound having the formula I:
or a pharmaceutically acceptable salt, ester, stereoisomer, or solvate thereof, wherein:
R1 is hydrogen, C1-C6 alkyl, or C3-C6 cycloalkyl;
R2 is hydrogen or a halogen; and
R3 is an aryl, heteroaryl, arylamine, or heteroarylamine, each of which may be optionally substituted with from one to three substituents, and wherein each of the from one to three substituents is independently selected from the group consisting of hydrogen, —COOH, —CH2COOH, a trihaloalkoxy group, a trihaloalkyl group, and an alkoxy group.
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