A compound represented by the formula: or a pharmaceutically acceptable salt, or solvate thereof; wherein, A is selected from halogen, CH 2 -N 3, hydroxy, CHO, CH 2 -OH, CH 2 -halogen and CH 2 -R'; R1 and R2 taken together are oxo; R3 is hydrogen; R4 is hydrogen; R5 is selected from hydroxy, N 3, halogen, 6-deoxy-2,3-di-O-methyl-b-d-allo-hexapyranosyloxy and R'; R7 is selected from hydrogen, C1-C6-alkyl, optionally substituted with one or more substituents selected from the group consisting of halogen, aryl, substituted aryl, heterocyclic and substituted heterocyclic, C2-C6-alkenyl, optionally substituted with one or more substituents selected from the group consisting of halogen, aryl, substituted aryl, heterocyclic and substituted heterocyclic, C2-C6-alkynyl, optionally substituted with one or more substituents selected from the group consisting of halogen, aryl, substituted aryl, heterocyclic and substituted heterocyclic; R P is hydrogen; and each R' is independently 4-R-1,2,3-triazol-1-yl; and where each R is independently selected from the group consisting of: Cl-C9-alkyl, optionally substituted with one or more substituents selected from the group consisting of halogen, aryl, substituted aryl, heterocyclic and substituted heterocyclic, -OR7 where R7 is as previously defined; C2-C9-alkenyl, optionally substituted with one or more substituents selected from the group consisting of halogen, aryl, substituted aryl, heterocyclic and substituted heterocyclic, -OR7 where R7 is as previously defined; C2-C9-alkynyl, optionally substituted with one or more substituents selected from the group consisting of halogen, aryl, substituted aryl, heterocyclic and substituted heterocyclic, -OR7 where R7 is as previously defined; C3-C14-cycloalkyl; substituted C3-C14-cycloalkyl; aryl; substituted aryl; heterocyclic; substituted heterocyclic; and -COOR7, where R7 is as previously defined; provided that at least one of A and R5 is defined as A = CH 2 -R' and/or R5 = R'. wherein, A is selected from halogen, CH 2 -N 3, hydroxy, CHO, CH 2 -OH, CH 2 -halogen and CH 2 -R'; R1 and R2 taken together are oxo; R3 is hydrogen; R4 is hydrogen; R5 is selected from hydroxy, N 3, halogen, 6-deoxy-2,3-di-O-methyl-b-d-allo-hexapyranosyloxy and R'; R7 is selected from hydrogen, C1-C6-alkyl, optionally substituted with one or more substituents selected from the group consisting of halogen, aryl, substituted aryl, heterocyclic and substituted heterocyclic, C2-C6-alkenyl, optionally substituted with one or more substituents selected from the group consisting of halogen, aryl, substituted aryl, heterocyclic and substituted heterocyclic, C2-C6-alkynyl, optionally substituted with one or more substituents selected from the group consisting of halogen, aryl, substituted aryl, heterocyclic and substituted heterocyclic; R P is hydrogen; and each R' is independently 4-R-1,2,3-triazol-1-yl; and where each R is independently selected from the group consisting of: Cl-C9-alkyl, optionally substituted with one or more substituents selected from the group consisting of halogen, aryl, substituted aryl, heterocyclic and substituted heterocyclic, -OR7 where R7 is as previously defined; C2-C9-alkenyl, optionally substituted with one or more substituents selected from the group consisting of halogen, aryl, substituted aryl, heterocyclic and substituted heterocyclic, -OR7 where R7 is as previously defined; C2-C9-alkynyl, optionally substituted with one or more substituents selected from the group consisting of halogen, aryl, substituted aryl, heterocyclic and substituted heterocyclic, -OR7 where R7 is as previously defined; C3-C14-cycloalkyl; substituted C3-C14-cycloalkyl; aryl; substituted aryl; heterocyclic; substituted heterocyclic; and -COOR7, where R7 is as previously defined; Cl-C9-alkyl, optionally substituted with one or more substituents selected from the group consisting of halogen, aryl, substituted aryl, heterocyclic and substituted heterocyclic, -OR7 where R7 is as previously defined; C2-C9-alkenyl, optionally substituted with one or more substituents selected from the group consisting of halogen, aryl, substituted aryl, heterocyclic and substituted heterocyclic, -OR7 where R7 is as previously defined; C2-C9-alkynyl, optionally substituted with one or more substituents selected from the group consisting of halogen, aryl, substituted aryl, heterocyclic and substituted heterocyclic, -OR7 where R7 is as previously defined; C3-C14-cycloalkyl; substituted C3-C14-cycloalkyl; aryl; substituted aryl; heterocyclic; substituted heterocyclic; and -COOR7, where R7 is as previously defined; provided that at least one of A and R5 is defined as A = CH 2 -R' and/or R5 = R'.