CPC A61K 31/381 (2013.01) [A61P 31/04 (2018.01)] | 14 Claims |
1. A compound having the structure of Formula I:
![]() and/or a pharmaceutically acceptable salt thereof, wherein
R1 is OH or its oxo tautomer;
R2 is H, halogen, OH, NO2, or a substituted or unsubstituted alkyl, cycloalkyl or cycloalkylalkyl group;
R3 is a halogen, CN, NO2, or a substituted or unsubstituted alkyl, cycloalkyl, or cycloalkylalkyl group; and
n is 0, 1, 2, 3, 4 or 5.
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