| CPC C07H 19/048 (2013.01) [A61K 45/06 (2013.01); C07D 213/80 (2013.01); C07D 213/82 (2013.01); C07D 401/12 (2013.01); C07D 401/14 (2013.01); C07D 409/12 (2013.01)] | 19 Claims |
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1. A compound having a structure of Formula I, II or III, or a pharmaceutically acceptable salt thereof:
![]() wherein
Z1, Z2, Z3, and Z4 are each independently selected from —OC(O)-L1-R1, —OC(NR6)-L1-R1, and
![]() if the compound has the structure of Formula I, L1 is a linker group selected from
![]() if the compound has the structure of Formula II or III, L′ is absent or a linker group selected from
![]() R1 is
![]() R2 is independently selected from H, optionally substituted alkyl, heteroalkyl, aralkyl, and heteroaralkyl;
R3 is selected from H, optionally substituted alkyl, heteroalkyl, aryl, and heteroaryl;
R4 is selected from H, optionally substituted alkyl, heteroalkyl, alkenyl, aryl, and heteroaryl;
R6 is selected from H and alkyl; and
m, n, p, q are each independently an integer selected from 1 to 10.
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