CPC C07H 19/167 (2013.01) [A61P 35/00 (2018.01); C07D 471/04 (2013.01); C07D 473/00 (2013.01); C07D 473/34 (2013.01); C07D 487/04 (2013.01); C07H 19/04 (2013.01)] | 14 Claims |
1. A compound of the formula
![]() or a pharmaceutically acceptable salt thereof, wherein
X is O or CH2;
Y is O or CH2;
R1 is H or —NHR3;
R2 is
![]() R3 is H, CH3, C2H5, CH2CH2CH3, CH(CH3)2, CH2CHF2, CH2CF3, or CH2—C3-8 cycloalkyl;
R4 is H, C1-6alkyl, CF3 or CHF2;
R5 is H, halogen, CH3, CF3, or CHF2;
R6 is NH2 or C1-6alkyl;
Z1 is CH or N;
Z2 is CH or N;
Z3 is CH or N;
Z4 is CR5 or N;
Z is CH or N; and
A is CH, N or C—NH2.
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