| 摘要 |
<p>Compounds represented by the general formula (|), which exhibit excellent immunosuppressive and/or antiallergic effects and are useful as drugs: (|) wherein X is N or CR4; Y is N or CR13; Z is N or CR?15; R1a, R1b, R1c, and R1d¿ are each independently hydrogen, lower alkyl, lower alkenyl, lower alkynyl, lower alkylsulfonyl, cycloalkyl, or the like; and R?4 to R15¿ are each hydrogen, halogeno, hydroxyl, lower alkyl, lower alkoxy, acyl, carboxyl, lower alkoxycarbonyl, or the like.</p> |
