CPC C07D 487/04 (2013.01) [A61P 25/00 (2018.01); C07D 413/04 (2013.01); C07D 519/00 (2013.01)] | 16 Claims |
1. A compound represented by the formula (Ia):
![]() wherein
R1 is a C1-6 alkyl group, a C3-10 cycloalkyl group, or a mono-C1-6 alkylamino group;
r is 0 or 1;
R2 and R3 are each independently a hydrogen atom, or
when r is 0, then R2 and R3 may be taken together to form a bond;
R4 is a hydrogen atom;
R5 is a phenyl group optionally substituted by 1 to 3 halogen atoms;
R6 and R7 are each independently a hydrogen atom, or a halogen atom;
X5 is CH or N; and
R12 and R13 are each independently a hydrogen atom, a C1-6 alkyl group, or a halogen atom;
or a salt thereof.
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