| 摘要 |
Disclosed is a novel compound represented by the formula (1) below or a pharmaceutically acceptable salt thereof. Also disclosed is a use of such a compound or salt in cancer immunotherapy. (1) [In the formula, X represents a tyrosine residue or a methionine residue; Y and Z respectively represent a single bond or the like; R1 represents a hydrogen atom or the like; R2 represents a hydroxyl group or the like; R3 represents a hydrogen atom, an alkyl group, an amino group or the like; R4 represents a hydrogen atom, an alkyl group, a carboxy group or the like; m represents 1 or 2; and n represents an integer of 0-2. In this connection, when n is 0, R3 represents a hydrogen atom or an alkyl group.] |
