This invention offers the chemical compound below-mentioned formula (i) or that salt which is stated in this bill. In addition as for this invention, although the pharmacy constituent which includes the chemical compound formula (i), the chemical compound of process and formula (i) in order to prepare the chemical compound formula (i) is prepared using the chemical compound of the useful intermediate field, and formula (i), you suppress immuneresponse, or you offer the cure in order to deal with the cancer or the haemotological malignancy. In addition as for this invention, the chemical compound of formula I in order to produce the medicine which designates the suppression of the immuneresponse in the mammal (for example, person) as purpose or that use of the reception possible salt is offered pharmacy.本発明は、下記の式(I)の化合物もしくは本明細書に記載されるその塩を提供する。本発明はまた、式(I)の化合物を含む薬学的組成物、式(I)の化合物を調製するためのプロセス、式(I)の化合物を調製するのに有用な中間体、および式(I)の化合物を使用して免疫応答を抑制するかまたは癌もしくは血液悪性疾患を処置するための治療法を提供する。本発明はまた、哺乳動物(例えば、ヒト)における免疫応答の抑制を目的とする医薬を製造するための式Iの化合物もしくはその薬学的に受容可能な塩の使用を提供する。
