Abstract: The present invention provides a compound represented by formula (I): wherein n is an integer selected from 1 to 20, Q is A is cyano or the like; B is hydrogen, halogen, or the like; X1 and X2 are each independently selected from O and S; E is a C1-4 alkyl group; and R1, R2, R3 and R4 are each independently selected from a hydrogen atom and a C1-C6 alkyl group, and a drug, a pharmaceutical composition containing the compound, and the like.

Abstract: The present invention provides a compound represented by formula (I): wherein n is an integer selected from 1 to 20, Q is A is cyano or the like; B is hydrogen, halogen, or the like; X1 and X2 are each independently selected from O and S; E is a C1-4 alkyl group; and R1, R2, R3 and R4 are each independently selected from a hydrogen atom and a C1-C6 alkyl group, and a drug, a pharmaceutical composition containing the compound, and the like.

Abstract: The present invention provides a compound represented by formula (I): [Formula 1] wherein n is an integer selected from 1 to 20, and R1 and R2, which may be the same or different, each represent a hydrogen atom, or a linear or branched C1-C6 alkyl group, or a salt, a prodrug or a solvate thereof, as well as a drug, a pharmaceutical composition containing the compound, and the like.

Abstract: The present invention provides a compound represented by formula (I): wherein n is an integer selected from 1 to 20, and R1 and R2, which may be the same or different, each represent a hydrogen atom, or a linear or branched C1-C6 alkyl group, or a salt, a prodrug or a solvate thereof, as well as a drug, a pharmaceutical composition containing the compound, and the like.

Abstract: The present invention relates to an immunosuppressant comprising antigen-treated B lymphocytes obtained by contact-treating B lymphocytes with an antigen, a liposome encapsulating or attaching to itself an antigen, or a conjugate of an antigen and a substance which binds to B lymphocytes, or a mixture of at least two of these substances. The present invention also relates to such liposomes and conjugates. The present invention also relates to a method for creating an immunosuppressed animal comprising transferring the immunosuppressant to an animal, and to an immunosuppressed animal created by such methods. The present invention further relates to a method for treating or preventing diseases comprising administering the immunosuppressant to a human.