Novel 1,3-dihydroisoindole derivatives of the formula (I), in which R1-R3 have the meanings indicated in claim 1, are HSP90 inhibitors and can be used for the preparation of a medicament for the treatment of diseases in which the inhibition, regulation and/or modulation of HSP90 plays a role.
式(I)中,R1-R3具有权利要求书1中所示的含义,是HSP90
抑制剂,可用于制备用于治疗抑制、调节和/或调节HSP90在其中发挥作用的疾病的药物。