Therapeutic compounds and compositions

A compound of formula (I)

• or a pharmaceutically acceptable salt thereof, wherein
• W, X, Y and Z are each independently selected from CH or N;
• D and D1 are independently selected from a bond or NRb;
• A is optionally substituted bicyclic heteroaryl;
• L is a bond, —C(O)—, —(CRcRc)m—, —OC(O)—, —(CRcRc)m—OC(O)—, —(CRcRc)m—C(O)—, —NRbC(S)—, or —NRbC(O)—;
• R1 is selected from alkyl, cycloalkyl, aryl, heteroaryl, and heterocyclyl;
• each of which is substituted with 0-5 occurrences of Rd;
• each R3 is independently selected from halo, haloalkyl, alkyl, hydroxyl and —ORa or two adjacent R3 taken together with the carbon atoms to which they are attached form an optionally substituted cyclyl;
• each Ra is independently selected from alkyl, acyl, hydroxyalkyl and haloalkyl;
• each Rb is independently selected from hydrogen and alkyl;
• each Rc is independently selected from hydrogen, halo, alkyl, alkoxy and haloalkoxy or two Rc taken together with the carbon atoms to which they are attached form an optionally substituted cycloalkyl;
• each Rd is independently selected from halo, haloalkyl, haloalkoxy, alkyl, alkynyl, nitro, cyano, hydroxyl, —C(O)Ra, —OC(O)Ra, —C(O)ORa, —SRa, —NRaRb and —ORa, or two Rd taken together with the carbon atoms to which they are attached form an optionally substituted heterocyclyl;
• n is 0, 1, or 2;
• m is 1, 2 or 3;
• and
• h is 0 and g is 2 or h is 2 and g is 0.