| abstract |
(57) [Summary] [PROBLEMS] To provide an agent which can exert an apoptosis regulating action and is useful as various pharmaceuticals. For example, 5-n-butyl-7- (3,4,5 -Trimethoxybenzoylamino) pyrazolo [1,5- a) An apoptosis regulator comprising as an active ingredient at least one selected from a series of pyrazolo [1,5-a] pyrimidine derivatives such as pyrimidine and salts thereof. |