| abstract |
Provided is a heat shock protein 90 (Hsp90) family protein inhibitor containing an aminopyrimidine derivative or a pharmacologically acceptable salt thereof as an active ingredient. SOLUTION: General formula (I) [Wherein, R A and R B are the same or different and represent halogen or the like, or R A and R B together with adjacent carbon atoms form a group represented by R C represents an aryl or the like which may have a substituent.] A heat shock protein 90 (Hsp90) family protein inhibitor comprising an aminopyrimidine derivative represented by the formula or a pharmacologically acceptable salt thereof. [Selection figure] None |