CPC A61K 31/4709 (2013.01) [A61K 31/496 (2013.01); A61K 31/501 (2013.01); A61K 31/5377 (2013.01); A61K 31/551 (2013.01); A61K 31/553 (2013.01); A61K 45/06 (2013.01); C07D 401/10 (2013.01); C07D 401/14 (2013.01); C07D 405/14 (2013.01); C07D 409/14 (2013.01); C07D 413/14 (2013.01); C07D 417/14 (2013.01); C07D 471/04 (2013.01)] | 10 Claims |
1. A compound having formula (I), or a pharmaceutically acceptable salt thereof:
![]() wherein:
W′ is H;
W is independently selected from:
![]() R3 is independently pyrazolyl, thienyl or isothiazolyl;
R4 is independently H or F; and
Rf is independently H, CH2CH2OH, or —C(O)O(C1-4 alkyl).
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