A compound of formula III: ** Formula ** or a salt thereof； or a hydrate, solvate, or polymorph thereof； in which: n is 0-2； R5 and R11 are each independently H, alkyl or Z1； R9 is alkyl； R10 is H, alkyl or Z1； Each Z1 is independently halogen, CN, NO2, OR15, SR15, S (o) 2OR15, NR15R16, perfluoroalkyl C1-C2, perfluoroalkoxy C1-C2, 1,2-methylenedioxy, C (O) OR15, C (O) NR15R16, OC (O) NR15R16, NR15C (O) NR15R16, C (NR16) NR15R16, NR15C (NR16) NR15R16, S (O) 2NR15R16, R17, C (O) R17, NR15C (O) R17, S (O) R17, S (O) 2R17, R16, oxo, C (O) R16, C (O) (CH2) mOH, (CH2) mOR15, (CH2) mC (O) NR15R16, NR15S (O) 2R17, where each m is independently 0-6； each R15 is independently hydrogen, C1-C4 alkyl or C3-C6 cycloalkyl； each R16 is independently hydrogen, alkenyl, alkynyl, C3-C6 cycloalkyl, aryl, heterocyclyl, heteroaryl, C1-C4 alkyl or C1-C4 alkyl substituted with C3-C6 cycloalkyl, aryl, heterocyclyl or heteroaryl； and each R17 is independently C3-C6 cycloalkyl, aryl, heterocyclyl, heteroaryl, C1-C4 alkyl or C1-C4 alkyl substituted with C3-C6 cycloalkyl, aryl, heterocyclyl or heteroaryl.Un compuesto de fórmula III:**Fórmula** o una sal del mismo； o un hidrato, solvato, o polimorfo del mismo； en la que: n es 0-2； R5 y R11 son cada uno independientemente H, alquilo o Z1； R9 es alquilo； R10 es H, alquilo o Z1； cada Z1 es independientemente halógeno, CN, NO2, OR15, SR15, S(o)2OR15, NR15R16, perfluoroalquilo C1-C2, perfluoroalcoxi C1-C2, 1,2-metilendioxi, C(O)OR15, C(O)NR15R16, OC(O)NR15R16, NR15C(O)NR15R16, C(NR16)NR15R16, NR15C(NR16)NR15R16, S(O)2NR15R16, R17, C(O)R17, NR15C(O)R17, S(O)R17, S(O)2R17, R16, oxo, C(O)R16, C(O)(CH2)mOH, (CH2)mOR15, (CH2)mC(O)NR15R16, NR15S(O)2R17, donde cada m es independientemente 0-6； cada R15 es independientemente hidrógeno, alquilo C1-C4 o cicloalquilo C3-C6； cada R16 es independientemente hidrógeno, alquenilo, alquinilo, cicloalquilo C3-C6, arilo, heterociclilo, heteroarilo, alquilo C1-C4 o alquilo C1-C4 sustituido con cicloalquilo C3-C6, arilo,
