CPC C07D 401/14 (2013.01) [C07D 401/12 (2013.01); C07D 403/12 (2013.01); C07D 403/14 (2013.01); C07D 405/14 (2013.01); C07D 413/14 (2013.01); C07D 471/04 (2013.01)] | 20 Claims |
1. A compound, having a formula 1
or a salt thereof, wherein:
ring A is heteroaryl;
R1 is H, aliphatic, or heteroaliphatic;
R2 is H, aliphatic, heteroaliphatic, or heterocyclyl;
each of Z1, Z2, Z3, and Z4, independently is N or CR3, wherein at least one of Z1, Z2, Z3, and Z4 is N;
each R3 independently is H, aliphatic, or heteroaliphatic; and
R4 is halogen, heterocycloaliphatic, aromatic, —O-aromatic, or —NH-aromatic.
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