A compound of Formula (IV): ** Formula ** wherein R2 is C1-C4 alkyl, R6 is C1-C6 alkyl, R7 is C1-C6 alkyl, CH2OR19 or CH2OCOR20, wherein R19 is alkyl, especially isopropyl, R20 it is C2-C6 alkenyl, phenyl or CH2-phenyl, R9 is C1-C6 alkyl, R10 is H, OH, O-alkyl or O-acetyl； f is 1 or 2； R11 has the following structure: wherein R21 is H, OH, halogen, NH2, alkyloxy, phenyl, alkyl amino or dialkyl amino； R16 is H or a C1-C6 alkyl group； R17 is CO2H, CO2R18, CONHNH2, OH, NH2, SH or an optionally substituted alkyl, cycloalkyl, heteroalkyl or heterocycloalkyl group, wherein R18 is an optionally substituted alkyl, heteroalkyl or heterocycloalkyl group； and p is 0, 1, 2 or 3； or a pharmacologically acceptable salt, a solvate, a hydrate or a pharmacologically acceptable formulation thereof, wherein the term "optionally substituted" refers to groups, wherein one or more H atoms can be replaced by F, Cl, Br or I, or OH, SH, NH2, NO2 .； the term "optionally substituted" also refers to groups that may be substituted exclusively or additionally with C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, C1-C6 heteroalkyl, C3-C10 cycloalkyl, C2-C9 heterocycloalkyl , C6-C10 aryl, C1-C9 heteroaryl, C7-C12 aralkyl or unsubstituted C2-C11 heteroaralkyl.Un compuesto de Fórmula (IV):**Fórmula** en donde R2 es alquilo C1-C4, R6 es alquilo C1-C6, R7 es alquilo C1-C6, CH2OR19 o CH2OCOR20, en donde R19 es alquilo, especialmente isopropilo, R20 es alquenilo C2-C6, fenilo o CH2-fenilo, R9 es alquilo C1-C6, R10 es H, OH, O-alquilo u O-acetilo； f es 1 ó 2； R11 tiene la siguiente estructura: en donde R21 es H, OH, halógeno, NH2, alquiloxi, fenilo, alquil-amino o dialquil-amino； R16 es H o un grupo alquilo C1-C6； R17 es CO2H, CO2R18, CONHNH2, OH, NH2, SH o un grupo alquilo, cicloalquilo, heteroalquilo o heterocicloalquilo opcionalmente sustituido, en donde R18 es un grupo alquilo, heteroalquilo o heterocicloalquilo opcionalmente sustituido； y p es 0, 1, 2 ó 3； o una sal farmacológicamente aceptable, un solvat
