S1P receptor modulating agent

A compound represented by the following formula (I):

• wherein
• A represents a 4- to 7-membered cyclic amine;
• m represents an integer of 0 to 5;
• n represents an integer of 1 to 3;
• p represents an integer of 1 to 3;
• q represents an integer of 0 to 4;
• R1 represents C1-10 alkyl, C1-10 alkoxy, phenyl, phenoxy, phenyl C1-3 alkyloxy, a halogen atom, halogeno C1-3 alkyl, or cyano (when m is 2 or more, R1 may be each independently identical or different);
• R2 represents COOH, COOR6, CONR7R8, or tetrazolyl (when n is 2 or more, R2 may be each independently identical or different);
• R3 represents a hydrogen atom or C1-6 alkyl;
• R4 represents a hydrogen atom or C1-6 alkyl;
• or R3 and R4 may together form an oxo group (when p is 2 or more, R3 and R4 may be each independently identical or different);
• R5 represents C1-6 alkyl, C1-6 alkoxy, a halogen atom, halogeno C1-3 alkyl, cyano, hydroxyl, or amino (when q is 2 or more, R5 may be each independently identical or different);
• R6 represents C1-10 alkyl;
• and
• R7 and R8 each independently represent a hydrogen atom or C1-10 alkyl, or a pharmaceutically acceptable salt thereof.