| abstract |
Disclosed is a novel compound which has S1P receptor agonist activity, exhibits an excellent effect as an immunosuppressive agent, has few side effects, and can be administered orally. General formula (I): [Chemical 1] [Where, A is a single bond or an oxygen atom, Y is a phenyl group or a thienyl group, R 1 is a halogeno C1-C6 alkyl group or the like, R 2 is a C4-C6 alkyl group or the like, R 3 , R 4 and R 5 are each independently a hydrogen atom or a C1-C6 alkyl group, etc.], a pharmaceutically acceptable salt thereof, or a solvate thereof. None |